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Finding the Fourth Proportional to 532,630.80, 798,946.20 and 283,798.80

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Solution

The fourth proportional to 532,630.80, 798,946.20 and 283,798.80 is: 425,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,630.80 : 798,946.20 = 283,798.80 : x
  2. Step 2: Convert to fraction form
    532,630.80/798,946.20 = 283,798.80/x
  3. Step 3: Cross multiply
    532,630.80x = 798,946.20 × 283,798.80
  4. Step 4: Simplify right side
    532,630.80x = 226,739,972,824.56
  5. Step 5: Solve for x
    x = 226,739,972,824.56/532,630.80
  6. Step 6: Final answer
    x = 425,698.20

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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.