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Finding the Fourth Proportional to 574,635.90, 792,617.55 and 359,402.30

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Solution

The fourth proportional to 574,635.90, 792,617.55 and 359,402.30 is: 495,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,635.90 : 792,617.55 = 359,402.30 : x
  2. Step 2: Convert to fraction form
    574,635.90/792,617.55 = 359,402.30/x
  3. Step 3: Cross multiply
    574,635.90x = 792,617.55 × 359,402.30
  4. Step 4: Simplify right side
    574,635.90x = 284,868,570,490.37
  5. Step 5: Solve for x
    x = 284,868,570,490.37/574,635.90
  6. Step 6: Final answer
    x = 495,737.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.