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Finding the Fourth Proportional to 453,430.91, 625,734.52 and 249,477.57

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Solution

The fourth proportional to 453,430.91, 625,734.52 and 249,477.57 is: 344,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,430.91 : 625,734.52 = 249,477.57 : x
  2. Step 2: Convert to fraction form
    453,430.91/625,734.52 = 249,477.57/x
  3. Step 3: Cross multiply
    453,430.91x = 625,734.52 × 249,477.57
  4. Step 4: Simplify right side
    453,430.91x = 156,106,726,891.02
  5. Step 5: Solve for x
    x = 156,106,726,891.02/453,430.91
  6. Step 6: Final answer
    x = 344,278.97

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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.