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Finding the Fourth Proportional to 472,923.10, 709,384.65 and 295,630.30

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Solution

The fourth proportional to 472,923.10, 709,384.65 and 295,630.30 is: 443,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,923.10 : 709,384.65 = 295,630.30 : x
  2. Step 2: Convert to fraction form
    472,923.10/709,384.65 = 295,630.30/x
  3. Step 3: Cross multiply
    472,923.10x = 709,384.65 × 295,630.30
  4. Step 4: Simplify right side
    472,923.10x = 209,715,596,894.90
  5. Step 5: Solve for x
    x = 209,715,596,894.90/472,923.10
  6. Step 6: Final answer
    x = 443,445.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.