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Finding the Fourth Proportional to 374,489.10, 560,858.85 and 366,972.30

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Solution

The fourth proportional to 374,489.10, 560,858.85 and 366,972.30 is: 549,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,489.10 : 560,858.85 = 366,972.30 : x
  2. Step 2: Convert to fraction form
    374,489.10/560,858.85 = 366,972.30/x
  3. Step 3: Cross multiply
    374,489.10x = 560,858.85 × 366,972.30
  4. Step 4: Simplify right side
    374,489.10x = 205,819,662,159.86
  5. Step 5: Solve for x
    x = 205,819,662,159.86/374,489.10
  6. Step 6: Final answer
    x = 549,601.21

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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.