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Finding the Fourth Proportional to 532,808.70, 735,276.59 and 291,095.31

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Solution

The fourth proportional to 532,808.70, 735,276.59 and 291,095.31 is: 401,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,808.70 : 735,276.59 = 291,095.31 : x
  2. Step 2: Convert to fraction form
    532,808.70/735,276.59 = 291,095.31/x
  3. Step 3: Cross multiply
    532,808.70x = 735,276.59 × 291,095.31
  4. Step 4: Simplify right side
    532,808.70x = 214,035,566,901.79
  5. Step 5: Solve for x
    x = 214,035,566,901.79/532,808.70
  6. Step 6: Final answer
    x = 401,711.85

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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.