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Finding the Fourth Proportional to 524,231.10, 786,346.65 and 169,256.70

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Solution

The fourth proportional to 524,231.10, 786,346.65 and 169,256.70 is: 253,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,231.10 : 786,346.65 = 169,256.70 : x
  2. Step 2: Convert to fraction form
    524,231.10/786,346.65 = 169,256.70/x
  3. Step 3: Cross multiply
    524,231.10x = 786,346.65 × 169,256.70
  4. Step 4: Simplify right side
    524,231.10x = 133,094,439,035.06
  5. Step 5: Solve for x
    x = 133,094,439,035.06/524,231.10
  6. Step 6: Final answer
    x = 253,885.05

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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.