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Finding the Fourth Proportional to 510,955.13, 766,545.29 and 155,996.93

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Solution

The fourth proportional to 510,955.13, 766,545.29 and 155,996.93 is: 234,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,955.13 : 766,545.29 = 155,996.93 : x
  2. Step 2: Convert to fraction form
    510,955.13/766,545.29 = 155,996.93/x
  3. Step 3: Cross multiply
    510,955.13x = 766,545.29 × 155,996.93
  4. Step 4: Simplify right side
    510,955.13x = 119,578,711,945.96
  5. Step 5: Solve for x
    x = 119,578,711,945.96/510,955.13
  6. Step 6: Final answer
    x = 234,029.77

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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.