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Finding the Fourth Proportional to 317,264.68, 437,817.54 and 204,087.16

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Solution

The fourth proportional to 317,264.68, 437,817.54 and 204,087.16 is: 281,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,264.68 : 437,817.54 = 204,087.16 : x
  2. Step 2: Convert to fraction form
    317,264.68/437,817.54 = 204,087.16/x
  3. Step 3: Cross multiply
    317,264.68x = 437,817.54 × 204,087.16
  4. Step 4: Simplify right side
    317,264.68x = 89,352,938,336.79
  5. Step 5: Solve for x
    x = 89,352,938,336.79/317,264.68
  6. Step 6: Final answer
    x = 281,635.32

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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.