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Finding the Fourth Proportional to 476,447.75, 714,519.88 and 156,525.35

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Solution

The fourth proportional to 476,447.75, 714,519.88 and 156,525.35 is: 234,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,447.75 : 714,519.88 = 156,525.35 : x
  2. Step 2: Convert to fraction form
    476,447.75/714,519.88 = 156,525.35/x
  3. Step 3: Cross multiply
    476,447.75x = 714,519.88 × 156,525.35
  4. Step 4: Simplify right side
    476,447.75x = 111,840,475,693.94
  5. Step 5: Solve for x
    x = 111,840,475,693.94/476,447.75
  6. Step 6: Final answer
    x = 234,738.18

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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.