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Finding the Fourth Proportional to 524,581.20, 786,871.80 and 169,849.80

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Solution

The fourth proportional to 524,581.20, 786,871.80 and 169,849.80 is: 254,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,581.20 : 786,871.80 = 169,849.80 : x
  2. Step 2: Convert to fraction form
    524,581.20/786,871.80 = 169,849.80/x
  3. Step 3: Cross multiply
    524,581.20x = 786,871.80 × 169,849.80
  4. Step 4: Simplify right side
    524,581.20x = 133,650,017,855.64
  5. Step 5: Solve for x
    x = 133,650,017,855.64/524,581.20
  6. Step 6: Final answer
    x = 254,774.70

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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.