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Finding the Fourth Proportional to 590,521.20, 885,781.80 and 169,772.40

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Solution

The fourth proportional to 590,521.20, 885,781.80 and 169,772.40 is: 254,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,521.20 : 885,781.80 = 169,772.40 : x
  2. Step 2: Convert to fraction form
    590,521.20/885,781.80 = 169,772.40/x
  3. Step 3: Cross multiply
    590,521.20x = 885,781.80 × 169,772.40
  4. Step 4: Simplify right side
    590,521.20x = 150,381,302,062.32
  5. Step 5: Solve for x
    x = 150,381,302,062.32/590,521.20
  6. Step 6: Final answer
    x = 254,658.60

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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.