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Finding the Fourth Proportional to 453,376.55, 625,658.69 and 249,426.98

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Solution

The fourth proportional to 453,376.55, 625,658.69 and 249,426.98 is: 344,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,376.55 : 625,658.69 = 249,426.98 : x
  2. Step 2: Convert to fraction form
    453,376.55/625,658.69 = 249,426.98/x
  3. Step 3: Cross multiply
    453,376.55x = 625,658.69 × 249,426.98
  4. Step 4: Simplify right side
    453,376.55x = 156,056,155,052.73
  5. Step 5: Solve for x
    x = 156,056,155,052.73/453,376.55
  6. Step 6: Final answer
    x = 344,208.71

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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.