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Finding the Fourth Proportional to 343,034.56, 473,392.72 and 199,790.88

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Solution

The fourth proportional to 343,034.56, 473,392.72 and 199,790.88 is: 275,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,034.56 : 473,392.72 = 199,790.88 : x
  2. Step 2: Convert to fraction form
    343,034.56/473,392.72 = 199,790.88/x
  3. Step 3: Cross multiply
    343,034.56x = 473,392.72 × 199,790.88
  4. Step 4: Simplify right side
    343,034.56x = 94,579,548,114.39
  5. Step 5: Solve for x
    x = 94,579,548,114.39/343,034.56
  6. Step 6: Final answer
    x = 275,714.34

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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.