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Finding the Fourth Proportional to 343,077.27, 473,471.56 and 207,144.28

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Solution

The fourth proportional to 343,077.27, 473,471.56 and 207,144.28 is: 285,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,077.27 : 473,471.56 = 207,144.28 : x
  2. Step 2: Convert to fraction form
    343,077.27/473,471.56 = 207,144.28/x
  3. Step 3: Cross multiply
    343,077.27x = 473,471.56 × 207,144.28
  4. Step 4: Simplify right side
    343,077.27x = 98,076,925,396.68
  5. Step 5: Solve for x
    x = 98,076,925,396.68/343,077.27
  6. Step 6: Final answer
    x = 285,874.16

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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.