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Finding the Fourth Proportional to 552,671.80, 828,132.90 and 463,442.20

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Solution

The fourth proportional to 552,671.80, 828,132.90 and 463,442.20 is: 694,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,671.80 : 828,132.90 = 463,442.20 : x
  2. Step 2: Convert to fraction form
    552,671.80/828,132.90 = 463,442.20/x
  3. Step 3: Cross multiply
    552,671.80x = 828,132.90 × 463,442.20
  4. Step 4: Simplify right side
    552,671.80x = 383,791,733,068.38
  5. Step 5: Solve for x
    x = 383,791,733,068.38/552,671.80
  6. Step 6: Final answer
    x = 694,429.74

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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.