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Finding the Fourth Proportional to 590,529.20, 885,793.80 and 169,780.40

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Solution

The fourth proportional to 590,529.20, 885,793.80 and 169,780.40 is: 254,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,529.20 : 885,793.80 = 169,780.40 : x
  2. Step 2: Convert to fraction form
    590,529.20/885,793.80 = 169,780.40/x
  3. Step 3: Cross multiply
    590,529.20x = 885,793.80 × 169,780.40
  4. Step 4: Simplify right side
    590,529.20x = 150,390,425,681.52
  5. Step 5: Solve for x
    x = 150,390,425,681.52/590,529.20
  6. Step 6: Final answer
    x = 254,670.60

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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.