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Finding the Fourth Proportional to 342,957.46, 473,280.37 and 189,995.94

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Solution

The fourth proportional to 342,957.46, 473,280.37 and 189,995.94 is: 262,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,957.46 : 473,280.37 = 189,995.94 : x
  2. Step 2: Convert to fraction form
    342,957.46/473,280.37 = 189,995.94/x
  3. Step 3: Cross multiply
    342,957.46x = 473,280.37 × 189,995.94
  4. Step 4: Simplify right side
    342,957.46x = 89,921,348,781.70
  5. Step 5: Solve for x
    x = 89,921,348,781.70/342,957.46
  6. Step 6: Final answer
    x = 262,193.88

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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.