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Finding the Fourth Proportional to 453,016.40, 625,163.88 and 249,088.17

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Solution

The fourth proportional to 453,016.40, 625,163.88 and 249,088.17 is: 343,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,016.40 : 625,163.88 = 249,088.17 : x
  2. Step 2: Convert to fraction form
    453,016.40/625,163.88 = 249,088.17/x
  3. Step 3: Cross multiply
    453,016.40x = 625,163.88 × 249,088.17
  4. Step 4: Simplify right side
    453,016.40x = 155,720,926,819.30
  5. Step 5: Solve for x
    x = 155,720,926,819.30/453,016.40
  6. Step 6: Final answer
    x = 343,742.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.