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Finding the Fourth Proportional to 453,273.50, 625,531.20 and 249,313.88

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Solution

The fourth proportional to 453,273.50, 625,531.20 and 249,313.88 is: 344,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,273.50 : 625,531.20 = 249,313.88 : x
  2. Step 2: Convert to fraction form
    453,273.50/625,531.20 = 249,313.88/x
  3. Step 3: Cross multiply
    453,273.50x = 625,531.20 × 249,313.88
  4. Step 4: Simplify right side
    453,273.50x = 155,953,610,533.06
  5. Step 5: Solve for x
    x = 155,953,610,533.06/453,273.50
  6. Step 6: Final answer
    x = 344,060.73

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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.