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Finding the Fourth Proportional to 536,358.79, 804,545.52 and 137,002.87

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Solution

The fourth proportional to 536,358.79, 804,545.52 and 137,002.87 is: 205,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,358.79 : 804,545.52 = 137,002.87 : x
  2. Step 2: Convert to fraction form
    536,358.79/804,545.52 = 137,002.87/x
  3. Step 3: Cross multiply
    536,358.79x = 804,545.52 × 137,002.87
  4. Step 4: Simplify right side
    536,358.79x = 110,225,045,285.64
  5. Step 5: Solve for x
    x = 110,225,045,285.64/536,358.79
  6. Step 6: Final answer
    x = 205,506.18

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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.