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Finding the Fourth Proportional to 552,577.17, 828,862.98 and 477,468.78

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Solution

The fourth proportional to 552,577.17, 828,862.98 and 477,468.78 is: 716,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,577.17 : 828,862.98 = 477,468.78 : x
  2. Step 2: Convert to fraction form
    552,577.17/828,862.98 = 477,468.78/x
  3. Step 3: Cross multiply
    552,577.17x = 828,862.98 × 477,468.78
  4. Step 4: Simplify right side
    552,577.17x = 395,756,195,847.76
  5. Step 5: Solve for x
    x = 395,756,195,847.76/552,577.17
  6. Step 6: Final answer
    x = 716,200.77

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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.