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Finding the Fourth Proportional to 453,348.78, 625,601.58 and 249,386.77

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Solution

The fourth proportional to 453,348.78, 625,601.58 and 249,386.77 is: 344,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,348.78 : 625,601.58 = 249,386.77 : x
  2. Step 2: Convert to fraction form
    453,348.78/625,601.58 = 249,386.77/x
  3. Step 3: Cross multiply
    453,348.78x = 625,601.58 × 249,386.77
  4. Step 4: Simplify right side
    453,348.78x = 156,016,755,779.09
  5. Step 5: Solve for x
    x = 156,016,755,779.09/453,348.78
  6. Step 6: Final answer
    x = 344,142.88

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1.5x scale

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.