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Finding the Fourth Proportional to 453,760.20, 626,164.29 and 249,803.28

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Solution

The fourth proportional to 453,760.20, 626,164.29 and 249,803.28 is: 344,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,760.20 : 626,164.29 = 249,803.28 : x
  2. Step 2: Convert to fraction form
    453,760.20/626,164.29 = 249,803.28/x
  3. Step 3: Cross multiply
    453,760.20x = 626,164.29 × 249,803.28
  4. Step 4: Simplify right side
    453,760.20x = 156,417,893,460.87
  5. Step 5: Solve for x
    x = 156,417,893,460.87/453,760.20
  6. Step 6: Final answer
    x = 344,714.88

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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.