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Finding the Fourth Proportional to 580,178.60, 869,231.10 and 497,234.60

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Solution

The fourth proportional to 580,178.60, 869,231.10 and 497,234.60 is: 744,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,178.60 : 869,231.10 = 497,234.60 : x
  2. Step 2: Convert to fraction form
    580,178.60/869,231.10 = 497,234.60/x
  3. Step 3: Cross multiply
    580,178.60x = 869,231.10 × 497,234.60
  4. Step 4: Simplify right side
    580,178.60x = 432,211,778,316.06
  5. Step 5: Solve for x
    x = 432,211,778,316.06/580,178.60
  6. Step 6: Final answer
    x = 744,963.32

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1.5x scale

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.