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Finding the Fourth Proportional to 508,352.01, 761,325.78 and 441,428.46

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Solution

The fourth proportional to 508,352.01, 761,325.78 and 441,428.46 is: 661,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,352.01 : 761,325.78 = 441,428.46 : x
  2. Step 2: Convert to fraction form
    508,352.01/761,325.78 = 441,428.46/x
  3. Step 3: Cross multiply
    508,352.01x = 761,325.78 × 441,428.46
  4. Step 4: Simplify right side
    508,352.01x = 336,070,866,623.70
  5. Step 5: Solve for x
    x = 336,070,866,623.70/508,352.01
  6. Step 6: Final answer
    x = 661,098.73

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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.