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Finding the Fourth Proportional to 476,242.80, 714,391.56 and 172,703.04

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Solution

The fourth proportional to 476,242.80, 714,391.56 and 172,703.04 is: 259,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,242.80 : 714,391.56 = 172,703.04 : x
  2. Step 2: Convert to fraction form
    476,242.80/714,391.56 = 172,703.04/x
  3. Step 3: Cross multiply
    476,242.80x = 714,391.56 × 172,703.04
  4. Step 4: Simplify right side
    476,242.80x = 123,377,594,162.34
  5. Step 5: Solve for x
    x = 123,377,594,162.34/476,242.80
  6. Step 6: Final answer
    x = 259,064.48

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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.