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Finding the Fourth Proportional to 535,961.79, 807,151.37 and 488,132.10

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Solution

The fourth proportional to 535,961.79, 807,151.37 and 488,132.10 is: 735,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,961.79 : 807,151.37 = 488,132.10 : x
  2. Step 2: Convert to fraction form
    535,961.79/807,151.37 = 488,132.10/x
  3. Step 3: Cross multiply
    535,961.79x = 807,151.37 × 488,132.10
  4. Step 4: Simplify right side
    535,961.79x = 393,996,490,815.32
  5. Step 5: Solve for x
    x = 393,996,490,815.32/535,961.79
  6. Step 6: Final answer
    x = 735,120.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.