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Finding the Fourth Proportional to 578,008.70, 867,168.87 and 240,937.32

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Solution

The fourth proportional to 578,008.70, 867,168.87 and 240,937.32 is: 361,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,008.70 : 867,168.87 = 240,937.32 : x
  2. Step 2: Convert to fraction form
    578,008.70/867,168.87 = 240,937.32/x
  3. Step 3: Cross multiply
    578,008.70x = 867,168.87 × 240,937.32
  4. Step 4: Simplify right side
    578,008.70x = 208,933,343,525.23
  5. Step 5: Solve for x
    x = 208,933,343,525.23/578,008.70
  6. Step 6: Final answer
    x = 361,470.93

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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.