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Finding the Fourth Proportional to 593,485.72, 890,229.70 and 144,206.97

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Solution

The fourth proportional to 593,485.72, 890,229.70 and 144,206.97 is: 216,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,485.72 : 890,229.70 = 144,206.97 : x
  2. Step 2: Convert to fraction form
    593,485.72/890,229.70 = 144,206.97/x
  3. Step 3: Cross multiply
    593,485.72x = 890,229.70 × 144,206.97
  4. Step 4: Simplify right side
    593,485.72x = 128,377,327,280.49
  5. Step 5: Solve for x
    x = 128,377,327,280.49/593,485.72
  6. Step 6: Final answer
    x = 216,310.73

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Half scale
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Double scale
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Similar ratio
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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.