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Finding the Fourth Proportional to 524,779.20, 787,168.80 and 170,047.80

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Solution

The fourth proportional to 524,779.20, 787,168.80 and 170,047.80 is: 255,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,779.20 : 787,168.80 = 170,047.80 : x
  2. Step 2: Convert to fraction form
    524,779.20/787,168.80 = 170,047.80/x
  3. Step 3: Cross multiply
    524,779.20x = 787,168.80 × 170,047.80
  4. Step 4: Simplify right side
    524,779.20x = 133,856,322,668.64
  5. Step 5: Solve for x
    x = 133,856,322,668.64/524,779.20
  6. Step 6: Final answer
    x = 255,071.70

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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.