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Finding the Fourth Proportional to 513,624.20, 717,674.20 and 513,624.20

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Solution

The fourth proportional to 513,624.20, 717,674.20 and 513,624.20 is: 717,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,624.20 : 717,674.20 = 513,624.20 : x
  2. Step 2: Convert to fraction form
    513,624.20/717,674.20 = 513,624.20/x
  3. Step 3: Cross multiply
    513,624.20x = 717,674.20 × 513,624.20
  4. Step 4: Simplify right side
    513,624.20x = 368,614,836,835.64
  5. Step 5: Solve for x
    x = 368,614,836,835.64/513,624.20
  6. Step 6: Final answer
    x = 717,674.20

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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.