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Finding the Fourth Proportional to 373,299.60, 561,115.80 and 366,301.20

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Solution

The fourth proportional to 373,299.60, 561,115.80 and 366,301.20 is: 550,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,299.60 : 561,115.80 = 366,301.20 : x
  2. Step 2: Convert to fraction form
    373,299.60/561,115.80 = 366,301.20/x
  3. Step 3: Cross multiply
    373,299.60x = 561,115.80 × 366,301.20
  4. Step 4: Simplify right side
    373,299.60x = 205,537,390,878.96
  5. Step 5: Solve for x
    x = 205,537,390,878.96/373,299.60
  6. Step 6: Final answer
    x = 550,596.33

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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.