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Finding the Fourth Proportional to 552,001.70, 828,002.55 and 546,752.90

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Solution

The fourth proportional to 552,001.70, 828,002.55 and 546,752.90 is: 820,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,001.70 : 828,002.55 = 546,752.90 : x
  2. Step 2: Convert to fraction form
    552,001.70/828,002.55 = 546,752.90/x
  3. Step 3: Cross multiply
    552,001.70x = 828,002.55 × 546,752.90
  4. Step 4: Simplify right side
    552,001.70x = 452,712,795,419.90
  5. Step 5: Solve for x
    x = 452,712,795,419.90/552,001.70
  6. Step 6: Final answer
    x = 820,129.35

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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.