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Finding the Fourth Proportional to 488,223.12, 732,337.12 and 172,680.32

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Solution

The fourth proportional to 488,223.12, 732,337.12 and 172,680.32 is: 259,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,223.12 : 732,337.12 = 172,680.32 : x
  2. Step 2: Convert to fraction form
    488,223.12/732,337.12 = 172,680.32/x
  3. Step 3: Cross multiply
    488,223.12x = 732,337.12 × 172,680.32
  4. Step 4: Simplify right side
    488,223.12x = 126,460,208,229.48
  5. Step 5: Solve for x
    x = 126,460,208,229.48/488,223.12
  6. Step 6: Final answer
    x = 259,021.34

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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.