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Finding the Fourth Proportional to 524,497.50, 786,749.13 and 130,513.50

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Solution

The fourth proportional to 524,497.50, 786,749.13 and 130,513.50 is: 195,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,497.50 : 786,749.13 = 130,513.50 : x
  2. Step 2: Convert to fraction form
    524,497.50/786,749.13 = 130,513.50/x
  3. Step 3: Cross multiply
    524,497.50x = 786,749.13 × 130,513.50
  4. Step 4: Simplify right side
    524,497.50x = 102,681,382,578.26
  5. Step 5: Solve for x
    x = 102,681,382,578.26/524,497.50
  6. Step 6: Final answer
    x = 195,770.97

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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.