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Finding the Fourth Proportional to 402,882.92, 556,025.67 and 230,856.57

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Solution

The fourth proportional to 402,882.92, 556,025.67 and 230,856.57 is: 318,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,882.92 : 556,025.67 = 230,856.57 : x
  2. Step 2: Convert to fraction form
    402,882.92/556,025.67 = 230,856.57/x
  3. Step 3: Cross multiply
    402,882.92x = 556,025.67 × 230,856.57
  4. Step 4: Simplify right side
    402,882.92x = 128,362,179,008.15
  5. Step 5: Solve for x
    x = 128,362,179,008.15/402,882.92
  6. Step 6: Final answer
    x = 318,609.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.