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Finding the Fourth Proportional to 374,354.60, 560,657.10 and 366,837.80

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Solution

The fourth proportional to 374,354.60, 560,657.10 and 366,837.80 is: 549,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,354.60 : 560,657.10 = 366,837.80 : x
  2. Step 2: Convert to fraction form
    374,354.60/560,657.10 = 366,837.80/x
  3. Step 3: Cross multiply
    374,354.60x = 560,657.10 × 366,837.80
  4. Step 4: Simplify right side
    374,354.60x = 205,670,217,118.38
  5. Step 5: Solve for x
    x = 205,670,217,118.38/374,354.60
  6. Step 6: Final answer
    x = 549,399.47

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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.