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Finding the Fourth Proportional to 888,381.88, 1,225,963.15 and 480,484.10

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Solution

The fourth proportional to 888,381.88, 1,225,963.15 and 480,484.10 is: 663,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,381.88 : 1,225,963.15 = 480,484.10 : x
  2. Step 2: Convert to fraction form
    888,381.88/1,225,963.15 = 480,484.10/x
  3. Step 3: Cross multiply
    888,381.88x = 1,225,963.15 × 480,484.10
  4. Step 4: Simplify right side
    888,381.88x = 589,055,802,624.61
  5. Step 5: Solve for x
    x = 589,055,802,624.61/888,381.88
  6. Step 6: Final answer
    x = 663,065.98

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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.