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Finding the Fourth Proportional to 526,892.20, 788,495.10 and 482,655.40

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Solution

The fourth proportional to 526,892.20, 788,495.10 and 482,655.40 is: 722,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,892.20 : 788,495.10 = 482,655.40 : x
  2. Step 2: Convert to fraction form
    526,892.20/788,495.10 = 482,655.40/x
  3. Step 3: Cross multiply
    526,892.20x = 788,495.10 × 482,655.40
  4. Step 4: Simplify right side
    526,892.20x = 380,571,417,888.54
  5. Step 5: Solve for x
    x = 380,571,417,888.54/526,892.20
  6. Step 6: Final answer
    x = 722,294.65

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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.