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Finding the Fourth Proportional to 374,498.10, 560,872.35 and 366,981.30

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Solution

The fourth proportional to 374,498.10, 560,872.35 and 366,981.30 is: 549,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,498.10 : 560,872.35 = 366,981.30 : x
  2. Step 2: Convert to fraction form
    374,498.10/560,872.35 = 366,981.30/x
  3. Step 3: Cross multiply
    374,498.10x = 560,872.35 × 366,981.30
  4. Step 4: Simplify right side
    374,498.10x = 205,829,664,137.06
  5. Step 5: Solve for x
    x = 205,829,664,137.06/374,498.10
  6. Step 6: Final answer
    x = 549,614.71

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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.