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Finding the Fourth Proportional to 453,036.14, 625,177.13 and 249,086.78

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Solution

The fourth proportional to 453,036.14, 625,177.13 and 249,086.78 is: 343,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,036.14 : 625,177.13 = 249,086.78 : x
  2. Step 2: Convert to fraction form
    453,036.14/625,177.13 = 249,086.78/x
  3. Step 3: Cross multiply
    453,036.14x = 625,177.13 × 249,086.78
  4. Step 4: Simplify right side
    453,036.14x = 155,723,353,870.02
  5. Step 5: Solve for x
    x = 155,723,353,870.02/453,036.14
  6. Step 6: Final answer
    x = 343,732.74

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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.