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Finding the Fourth Proportional to 524,572.20, 786,858.30 and 169,840.80

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Solution

The fourth proportional to 524,572.20, 786,858.30 and 169,840.80 is: 254,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,572.20 : 786,858.30 = 169,840.80 : x
  2. Step 2: Convert to fraction form
    524,572.20/786,858.30 = 169,840.80/x
  3. Step 3: Cross multiply
    524,572.20x = 786,858.30 × 169,840.80
  4. Step 4: Simplify right side
    524,572.20x = 133,640,643,158.64
  5. Step 5: Solve for x
    x = 133,640,643,158.64/524,572.20
  6. Step 6: Final answer
    x = 254,761.20

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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.