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Finding the Fourth Proportional to 614,440.20, 862,704.60 and 614,440.20

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Solution

The fourth proportional to 614,440.20, 862,704.60 and 614,440.20 is: 862,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,440.20 : 862,704.60 = 614,440.20 : x
  2. Step 2: Convert to fraction form
    614,440.20/862,704.60 = 614,440.20/x
  3. Step 3: Cross multiply
    614,440.20x = 862,704.60 × 614,440.20
  4. Step 4: Simplify right side
    614,440.20x = 530,080,386,964.92
  5. Step 5: Solve for x
    x = 530,080,386,964.92/614,440.20
  6. Step 6: Final answer
    x = 862,704.60

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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.