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Finding the Fourth Proportional to 617,586.30, 926,422.65 and 243,560.70

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Solution

The fourth proportional to 617,586.30, 926,422.65 and 243,560.70 is: 365,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,586.30 : 926,422.65 = 243,560.70 : x
  2. Step 2: Convert to fraction form
    617,586.30/926,422.65 = 243,560.70/x
  3. Step 3: Cross multiply
    617,586.30x = 926,422.65 × 243,560.70
  4. Step 4: Simplify right side
    617,586.30x = 225,640,149,129.86
  5. Step 5: Solve for x
    x = 225,640,149,129.86/617,586.30
  6. Step 6: Final answer
    x = 365,358.09

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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.