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Finding the Fourth Proportional to 313,671.97, 432,861.08 and 170,433.04

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Solution

The fourth proportional to 313,671.97, 432,861.08 and 170,433.04 is: 235,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,671.97 : 432,861.08 = 170,433.04 : x
  2. Step 2: Convert to fraction form
    313,671.97/432,861.08 = 170,433.04/x
  3. Step 3: Cross multiply
    313,671.97x = 432,861.08 × 170,433.04
  4. Step 4: Simplify right side
    313,671.97x = 73,773,829,762.08
  5. Step 5: Solve for x
    x = 73,773,829,762.08/313,671.97
  6. Step 6: Final answer
    x = 235,194.21

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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.