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Finding the Fourth Proportional to 581,803.68, 872,428.14 and 202,677.78

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Solution

The fourth proportional to 581,803.68, 872,428.14 and 202,677.78 is: 303,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,803.68 : 872,428.14 = 202,677.78 : x
  2. Step 2: Convert to fraction form
    581,803.68/872,428.14 = 202,677.78/x
  3. Step 3: Cross multiply
    581,803.68x = 872,428.14 × 202,677.78
  4. Step 4: Simplify right side
    581,803.68x = 176,821,798,624.73
  5. Step 5: Solve for x
    x = 176,821,798,624.73/581,803.68
  6. Step 6: Final answer
    x = 303,920.04

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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.