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Finding the Fourth Proportional to 580,078.60, 869,081.10 and 497,134.60

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Solution

The fourth proportional to 580,078.60, 869,081.10 and 497,134.60 is: 744,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,078.60 : 869,081.10 = 497,134.60 : x
  2. Step 2: Convert to fraction form
    580,078.60/869,081.10 = 497,134.60/x
  3. Step 3: Cross multiply
    580,078.60x = 869,081.10 × 497,134.60
  4. Step 4: Simplify right side
    580,078.60x = 432,050,285,016.06
  5. Step 5: Solve for x
    x = 432,050,285,016.06/580,078.60
  6. Step 6: Final answer
    x = 744,813.35

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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.