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Finding the Fourth Proportional to 472,349.04, 708,450.50 and 172,759.55

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Solution

The fourth proportional to 472,349.04, 708,450.50 and 172,759.55 is: 259,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,349.04 : 708,450.50 = 172,759.55 : x
  2. Step 2: Convert to fraction form
    472,349.04/708,450.50 = 172,759.55/x
  3. Step 3: Cross multiply
    472,349.04x = 708,450.50 × 172,759.55
  4. Step 4: Simplify right side
    472,349.04x = 122,391,589,577.28
  5. Step 5: Solve for x
    x = 122,391,589,577.28/472,349.04
  6. Step 6: Final answer
    x = 259,112.60

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1.5x scale

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.