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Finding the Fourth Proportional to 622,651.32, 933,402.60 and 243,830.04

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Solution

The fourth proportional to 622,651.32, 933,402.60 and 243,830.04 is: 365,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,651.32 : 933,402.60 = 243,830.04 : x
  2. Step 2: Convert to fraction form
    622,651.32/933,402.60 = 243,830.04/x
  3. Step 3: Cross multiply
    622,651.32x = 933,402.60 × 243,830.04
  4. Step 4: Simplify right side
    622,651.32x = 227,591,593,294.10
  5. Step 5: Solve for x
    x = 227,591,593,294.10/622,651.32
  6. Step 6: Final answer
    x = 365,520.13

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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.