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Finding the Fourth Proportional to 508,001.80, 762,002.70 and 461,345.80

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Solution

The fourth proportional to 508,001.80, 762,002.70 and 461,345.80 is: 692,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,001.80 : 762,002.70 = 461,345.80 : x
  2. Step 2: Convert to fraction form
    508,001.80/762,002.70 = 461,345.80/x
  3. Step 3: Cross multiply
    508,001.80x = 762,002.70 × 461,345.80
  4. Step 4: Simplify right side
    508,001.80x = 351,546,745,233.66
  5. Step 5: Solve for x
    x = 351,546,745,233.66/508,001.80
  6. Step 6: Final answer
    x = 692,018.70

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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.