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Finding the Fourth Proportional to 577,118.37, 865,677.35 and 156,394.24

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Solution

The fourth proportional to 577,118.37, 865,677.35 and 156,394.24 is: 234,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,118.37 : 865,677.35 = 156,394.24 : x
  2. Step 2: Convert to fraction form
    577,118.37/865,677.35 = 156,394.24/x
  3. Step 3: Cross multiply
    577,118.37x = 865,677.35 × 156,394.24
  4. Step 4: Simplify right side
    577,118.37x = 135,386,950,456.49
  5. Step 5: Solve for x
    x = 135,386,950,456.49/577,118.37
  6. Step 6: Final answer
    x = 234,591.31

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.