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Finding the Fourth Proportional to 616,189.69, 850,335.96 and 344,304.41

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Solution

The fourth proportional to 616,189.69, 850,335.96 and 344,304.41 is: 475,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,189.69 : 850,335.96 = 344,304.41 : x
  2. Step 2: Convert to fraction form
    616,189.69/850,335.96 = 344,304.41/x
  3. Step 3: Cross multiply
    616,189.69x = 850,335.96 × 344,304.41
  4. Step 4: Simplify right side
    616,189.69x = 292,774,423,135.42
  5. Step 5: Solve for x
    x = 292,774,423,135.42/616,189.69
  6. Step 6: Final answer
    x = 475,136.84

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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.