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Finding the Fourth Proportional to 552,250.49, 828,278.53 and 147,447.72

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Solution

The fourth proportional to 552,250.49, 828,278.53 and 147,447.72 is: 221,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,250.49 : 828,278.53 = 147,447.72 : x
  2. Step 2: Convert to fraction form
    552,250.49/828,278.53 = 147,447.72/x
  3. Step 3: Cross multiply
    552,250.49x = 828,278.53 × 147,447.72
  4. Step 4: Simplify right side
    552,250.49x = 122,127,780,036.21
  5. Step 5: Solve for x
    x = 122,127,780,036.21/552,250.49
  6. Step 6: Final answer
    x = 221,145.63

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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.