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Finding the Fourth Proportional to 436,498.92, 602,319.72 and 245,508.21

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Solution

The fourth proportional to 436,498.92, 602,319.72 and 245,508.21 is: 338,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,498.92 : 602,319.72 = 245,508.21 : x
  2. Step 2: Convert to fraction form
    436,498.92/602,319.72 = 245,508.21/x
  3. Step 3: Cross multiply
    436,498.92x = 602,319.72 × 245,508.21
  4. Step 4: Simplify right side
    436,498.92x = 147,874,436,304.90
  5. Step 5: Solve for x
    x = 147,874,436,304.90/436,498.92
  6. Step 6: Final answer
    x = 338,773.89

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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.