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Finding the Fourth Proportional to 381,149.83, 570,962.40 and 229,263.04

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Solution

The fourth proportional to 381,149.83, 570,962.40 and 229,263.04 is: 343,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,149.83 : 570,962.40 = 229,263.04 : x
  2. Step 2: Convert to fraction form
    381,149.83/570,962.40 = 229,263.04/x
  3. Step 3: Cross multiply
    381,149.83x = 570,962.40 × 229,263.04
  4. Step 4: Simplify right side
    381,149.83x = 130,900,575,549.70
  5. Step 5: Solve for x
    x = 130,900,575,549.70/381,149.83
  6. Step 6: Final answer
    x = 343,436.01

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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.