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Finding the Fourth Proportional to 343,906.81, 473,810.70 and 266,114.97

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Solution

The fourth proportional to 343,906.81, 473,810.70 and 266,114.97 is: 366,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,906.81 : 473,810.70 = 266,114.97 : x
  2. Step 2: Convert to fraction form
    343,906.81/473,810.70 = 266,114.97/x
  3. Step 3: Cross multiply
    343,906.81x = 473,810.70 × 266,114.97
  4. Step 4: Simplify right side
    343,906.81x = 126,088,120,216.18
  5. Step 5: Solve for x
    x = 126,088,120,216.18/343,906.81
  6. Step 6: Final answer
    x = 366,634.55

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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.