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Finding the Fourth Proportional to 348,673.56, 523,010.34 and 243,697.56

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Solution

The fourth proportional to 348,673.56, 523,010.34 and 243,697.56 is: 365,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,673.56 : 523,010.34 = 243,697.56 : x
  2. Step 2: Convert to fraction form
    348,673.56/523,010.34 = 243,697.56/x
  3. Step 3: Cross multiply
    348,673.56x = 523,010.34 × 243,697.56
  4. Step 4: Simplify right side
    348,673.56x = 127,456,343,712.77
  5. Step 5: Solve for x
    x = 127,456,343,712.77/348,673.56
  6. Step 6: Final answer
    x = 365,546.34

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Similar ratio
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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.