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Finding the Fourth Proportional to 536,387.66, 804,581.50 and 137,029.32

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Solution

The fourth proportional to 536,387.66, 804,581.50 and 137,029.32 is: 205,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,387.66 : 804,581.50 = 137,029.32 : x
  2. Step 2: Convert to fraction form
    536,387.66/804,581.50 = 137,029.32/x
  3. Step 3: Cross multiply
    536,387.66x = 804,581.50 × 137,029.32
  4. Step 4: Simplify right side
    536,387.66x = 110,251,255,829.58
  5. Step 5: Solve for x
    x = 110,251,255,829.58/536,387.66
  6. Step 6: Final answer
    x = 205,543.98

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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.