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Finding the Fourth Proportional to 468,624.10, 646,700.10 and 253,764.15

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Solution

The fourth proportional to 468,624.10, 646,700.10 and 253,764.15 is: 350,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,624.10 : 646,700.10 = 253,764.15 : x
  2. Step 2: Convert to fraction form
    468,624.10/646,700.10 = 253,764.15/x
  3. Step 3: Cross multiply
    468,624.10x = 646,700.10 × 253,764.15
  4. Step 4: Simplify right side
    468,624.10x = 164,109,299,912.59
  5. Step 5: Solve for x
    x = 164,109,299,912.59/468,624.10
  6. Step 6: Final answer
    x = 350,193.90

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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.