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Finding the Fourth Proportional to 318,755.00, 439,891.57 and 175,520.16

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Solution

The fourth proportional to 318,755.00, 439,891.57 and 175,520.16 is: 242,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,755.00 : 439,891.57 = 175,520.16 : x
  2. Step 2: Convert to fraction form
    318,755.00/439,891.57 = 175,520.16/x
  3. Step 3: Cross multiply
    318,755.00x = 439,891.57 × 175,520.16
  4. Step 4: Simplify right side
    318,755.00x = 77,209,838,310.25
  5. Step 5: Solve for x
    x = 77,209,838,310.25/318,755.00
  6. Step 6: Final answer
    x = 242,223.15

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1.5x scale

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.