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Finding the Fourth Proportional to 524,329.12, 786,494.24 and 130,345.12

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Solution

The fourth proportional to 524,329.12, 786,494.24 and 130,345.12 is: 195,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,329.12 : 786,494.24 = 130,345.12 : x
  2. Step 2: Convert to fraction form
    524,329.12/786,494.24 = 130,345.12/x
  3. Step 3: Cross multiply
    524,329.12x = 786,494.24 × 130,345.12
  4. Step 4: Simplify right side
    524,329.12x = 102,515,686,092.11
  5. Step 5: Solve for x
    x = 102,515,686,092.11/524,329.12
  6. Step 6: Final answer
    x = 195,517.82

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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.