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Finding the Fourth Proportional to 668,937.66, 923,134.57 and 363,014.04

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Solution

The fourth proportional to 668,937.66, 923,134.57 and 363,014.04 is: 500,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,937.66 : 923,134.57 = 363,014.04 : x
  2. Step 2: Convert to fraction form
    668,937.66/923,134.57 = 363,014.04/x
  3. Step 3: Cross multiply
    668,937.66x = 923,134.57 × 363,014.04
  4. Step 4: Simplify right side
    668,937.66x = 335,110,808,811.83
  5. Step 5: Solve for x
    x = 335,110,808,811.83/668,937.66
  6. Step 6: Final answer
    x = 500,959.70

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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.