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Finding the Fourth Proportional to 343,079.27, 473,474.32 and 207,146.28

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Solution

The fourth proportional to 343,079.27, 473,474.32 and 207,146.28 is: 285,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,079.27 : 473,474.32 = 207,146.28 : x
  2. Step 2: Convert to fraction form
    343,079.27/473,474.32 = 207,146.28/x
  3. Step 3: Cross multiply
    343,079.27x = 473,474.32 × 207,146.28
  4. Step 4: Simplify right side
    343,079.27x = 98,078,444,063.53
  5. Step 5: Solve for x
    x = 98,078,444,063.53/343,079.27
  6. Step 6: Final answer
    x = 285,876.92

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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.