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Finding the Fourth Proportional to 552,584.61, 828,874.18 and 477,476.20

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Solution

The fourth proportional to 552,584.61, 828,874.18 and 477,476.20 is: 716,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,584.61 : 828,874.18 = 477,476.20 : x
  2. Step 2: Convert to fraction form
    552,584.61/828,874.18 = 477,476.20/x
  3. Step 3: Cross multiply
    552,584.61x = 828,874.18 × 477,476.20
  4. Step 4: Simplify right side
    552,584.61x = 395,767,687,212.76
  5. Step 5: Solve for x
    x = 395,767,687,212.76/552,584.61
  6. Step 6: Final answer
    x = 716,211.92

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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.