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Finding the Fourth Proportional to 426,578.60, 588,713.28 and 245,349.20

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Solution

The fourth proportional to 426,578.60, 588,713.28 and 245,349.20 is: 338,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,578.60 : 588,713.28 = 245,349.20 : x
  2. Step 2: Convert to fraction form
    426,578.60/588,713.28 = 245,349.20/x
  3. Step 3: Cross multiply
    426,578.60x = 588,713.28 × 245,349.20
  4. Step 4: Simplify right side
    426,578.60x = 144,440,332,277.38
  5. Step 5: Solve for x
    x = 144,440,332,277.38/426,578.60
  6. Step 6: Final answer
    x = 338,601.92

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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.