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Finding the Fourth Proportional to 462,003.12, 637,574.76 and 271,154.16

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Solution

The fourth proportional to 462,003.12, 637,574.76 and 271,154.16 is: 374,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,003.12 : 637,574.76 = 271,154.16 : x
  2. Step 2: Convert to fraction form
    462,003.12/637,574.76 = 271,154.16/x
  3. Step 3: Cross multiply
    462,003.12x = 637,574.76 × 271,154.16
  4. Step 4: Simplify right side
    462,003.12x = 172,881,048,485.00
  5. Step 5: Solve for x
    x = 172,881,048,485.00/462,003.12
  6. Step 6: Final answer
    x = 374,198.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.