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Finding the Fourth Proportional to 447,606.68, 616,520.54 and 344,042.82

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Solution

The fourth proportional to 447,606.68, 616,520.54 and 344,042.82 is: 473,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,606.68 : 616,520.54 = 344,042.82 : x
  2. Step 2: Convert to fraction form
    447,606.68/616,520.54 = 344,042.82/x
  3. Step 3: Cross multiply
    447,606.68x = 616,520.54 × 344,042.82
  4. Step 4: Simplify right side
    447,606.68x = 212,109,465,169.52
  5. Step 5: Solve for x
    x = 212,109,465,169.52/447,606.68
  6. Step 6: Final answer
    x = 473,874.66

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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.