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Finding the Fourth Proportional to 418,343.34, 625,964.67 and 249,955.29

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Solution

The fourth proportional to 418,343.34, 625,964.67 and 249,955.29 is: 374,006.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,343.34 : 625,964.67 = 249,955.29 : x
  2. Step 2: Convert to fraction form
    418,343.34/625,964.67 = 249,955.29/x
  3. Step 3: Cross multiply
    418,343.34x = 625,964.67 × 249,955.29
  4. Step 4: Simplify right side
    418,343.34x = 156,463,180,619.60
  5. Step 5: Solve for x
    x = 156,463,180,619.60/418,343.34
  6. Step 6: Final answer
    x = 374,006.62

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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.