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Finding the Fourth Proportional to 484,525.53, 725,988.51 and 281,551.83

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Solution

The fourth proportional to 484,525.53, 725,988.51 and 281,551.83 is: 421,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,525.53 : 725,988.51 = 281,551.83 : x
  2. Step 2: Convert to fraction form
    484,525.53/725,988.51 = 281,551.83/x
  3. Step 3: Cross multiply
    484,525.53x = 725,988.51 × 281,551.83
  4. Step 4: Simplify right side
    484,525.53x = 204,403,393,549.47
  5. Step 5: Solve for x
    x = 204,403,393,549.47/484,525.53
  6. Step 6: Final answer
    x = 421,863.00

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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.