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Finding the Fourth Proportional to 590,153.80, 885,230.70 and 146,921.80

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Solution

The fourth proportional to 590,153.80, 885,230.70 and 146,921.80 is: 220,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,153.80 : 885,230.70 = 146,921.80 : x
  2. Step 2: Convert to fraction form
    590,153.80/885,230.70 = 146,921.80/x
  3. Step 3: Cross multiply
    590,153.80x = 885,230.70 × 146,921.80
  4. Step 4: Simplify right side
    590,153.80x = 130,059,687,859.26
  5. Step 5: Solve for x
    x = 130,059,687,859.26/590,153.80
  6. Step 6: Final answer
    x = 220,382.70

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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.