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Finding the Fourth Proportional to 412,230.60, 577,589.40 and 412,230.60

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Solution

The fourth proportional to 412,230.60, 577,589.40 and 412,230.60 is: 577,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,230.60 : 577,589.40 = 412,230.60 : x
  2. Step 2: Convert to fraction form
    412,230.60/577,589.40 = 412,230.60/x
  3. Step 3: Cross multiply
    412,230.60x = 577,589.40 × 412,230.60
  4. Step 4: Simplify right side
    412,230.60x = 238,100,024,915.64
  5. Step 5: Solve for x
    x = 238,100,024,915.64/412,230.60
  6. Step 6: Final answer
    x = 577,589.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.