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Finding the Fourth Proportional to 373,329.60, 561,160.80 and 366,331.20

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Solution

The fourth proportional to 373,329.60, 561,160.80 and 366,331.20 is: 550,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,329.60 : 561,160.80 = 366,331.20 : x
  2. Step 2: Convert to fraction form
    373,329.60/561,160.80 = 366,331.20/x
  3. Step 3: Cross multiply
    373,329.60x = 561,160.80 × 366,331.20
  4. Step 4: Simplify right side
    373,329.60x = 205,570,709,256.96
  5. Step 5: Solve for x
    x = 205,570,709,256.96/373,329.60
  6. Step 6: Final answer
    x = 550,641.33

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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.