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Finding the Fourth Proportional to 315,433.17, 473,149.76 and 93,817.17

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Solution

The fourth proportional to 315,433.17, 473,149.76 and 93,817.17 is: 140,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,433.17 : 473,149.76 = 93,817.17 : x
  2. Step 2: Convert to fraction form
    315,433.17/473,149.76 = 93,817.17/x
  3. Step 3: Cross multiply
    315,433.17x = 473,149.76 × 93,817.17
  4. Step 4: Simplify right side
    315,433.17x = 44,389,571,000.29
  5. Step 5: Solve for x
    x = 44,389,571,000.29/315,433.17
  6. Step 6: Final answer
    x = 140,725.76

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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.