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Finding the Fourth Proportional to 453,158.16, 625,341.90 and 249,207.36

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Solution

The fourth proportional to 453,158.16, 625,341.90 and 249,207.36 is: 343,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,158.16 : 625,341.90 = 249,207.36 : x
  2. Step 2: Convert to fraction form
    453,158.16/625,341.90 = 249,207.36/x
  3. Step 3: Cross multiply
    453,158.16x = 625,341.90 × 249,207.36
  4. Step 4: Simplify right side
    453,158.16x = 155,839,803,996.38
  5. Step 5: Solve for x
    x = 155,839,803,996.38/453,158.16
  6. Step 6: Final answer
    x = 343,897.16

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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.