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Finding the Fourth Proportional to 579,423.60, 868,098.60 and 496,479.60

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Solution

The fourth proportional to 579,423.60, 868,098.60 and 496,479.60 is: 743,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,423.60 : 868,098.60 = 496,479.60 : x
  2. Step 2: Convert to fraction form
    579,423.60/868,098.60 = 496,479.60/x
  3. Step 3: Cross multiply
    579,423.60x = 868,098.60 × 496,479.60
  4. Step 4: Simplify right side
    579,423.60x = 430,993,245,688.56
  5. Step 5: Solve for x
    x = 430,993,245,688.56/579,423.60
  6. Step 6: Final answer
    x = 743,831.02

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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.