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Finding the Fourth Proportional to 849,698.74, 1,274,425.08 and 250,630.30

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Solution

The fourth proportional to 849,698.74, 1,274,425.08 and 250,630.30 is: 375,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,698.74 : 1,274,425.08 = 250,630.30 : x
  2. Step 2: Convert to fraction form
    849,698.74/1,274,425.08 = 250,630.30/x
  3. Step 3: Cross multiply
    849,698.74x = 1,274,425.08 × 250,630.30
  4. Step 4: Simplify right side
    849,698.74x = 319,409,540,127.92
  5. Step 5: Solve for x
    x = 319,409,540,127.92/849,698.74
  6. Step 6: Final answer
    x = 375,909.16

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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.