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Finding the Fourth Proportional to 347,216.68, 520,652.72 and 110,528.60

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Solution

The fourth proportional to 347,216.68, 520,652.72 and 110,528.60 is: 165,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,216.68 : 520,652.72 = 110,528.60 : x
  2. Step 2: Convert to fraction form
    347,216.68/520,652.72 = 110,528.60/x
  3. Step 3: Cross multiply
    347,216.68x = 520,652.72 × 110,528.60
  4. Step 4: Simplify right side
    347,216.68x = 57,547,016,227.79
  5. Step 5: Solve for x
    x = 57,547,016,227.79/347,216.68
  6. Step 6: Final answer
    x = 165,738.05

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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.