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Finding the Fourth Proportional to 616,294.48, 850,490.65 and 344,373.83

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Solution

The fourth proportional to 616,294.48, 850,490.65 and 344,373.83 is: 475,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,294.48 : 850,490.65 = 344,373.83 : x
  2. Step 2: Convert to fraction form
    616,294.48/850,490.65 = 344,373.83/x
  3. Step 3: Cross multiply
    616,294.48x = 850,490.65 × 344,373.83
  4. Step 4: Simplify right side
    616,294.48x = 292,886,722,519.69
  5. Step 5: Solve for x
    x = 292,886,722,519.69/616,294.48
  6. Step 6: Final answer
    x = 475,238.27

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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.