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Finding the Fourth Proportional to 374,495.60, 560,868.60 and 366,978.80

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Solution

The fourth proportional to 374,495.60, 560,868.60 and 366,978.80 is: 549,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,495.60 : 560,868.60 = 366,978.80 : x
  2. Step 2: Convert to fraction form
    374,495.60/560,868.60 = 366,978.80/x
  3. Step 3: Cross multiply
    374,495.60x = 560,868.60 × 366,978.80
  4. Step 4: Simplify right side
    374,495.60x = 205,826,885,785.68
  5. Step 5: Solve for x
    x = 205,826,885,785.68/374,495.60
  6. Step 6: Final answer
    x = 549,610.96

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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.