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Finding the Fourth Proportional to 348,689.56, 523,034.34 and 243,713.56

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Solution

The fourth proportional to 348,689.56, 523,034.34 and 243,713.56 is: 365,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,689.56 : 523,034.34 = 243,713.56 : x
  2. Step 2: Convert to fraction form
    348,689.56/523,034.34 = 243,713.56/x
  3. Step 3: Cross multiply
    348,689.56x = 523,034.34 × 243,713.56
  4. Step 4: Simplify right side
    348,689.56x = 127,470,561,003.65
  5. Step 5: Solve for x
    x = 127,470,561,003.65/348,689.56
  6. Step 6: Final answer
    x = 365,570.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.