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Finding the Fourth Proportional to 552,610.32, 762,570.96 and 310,903.08

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Solution

The fourth proportional to 552,610.32, 762,570.96 and 310,903.08 is: 429,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,610.32 : 762,570.96 = 310,903.08 : x
  2. Step 2: Convert to fraction form
    552,610.32/762,570.96 = 310,903.08/x
  3. Step 3: Cross multiply
    552,610.32x = 762,570.96 × 310,903.08
  4. Step 4: Simplify right side
    552,610.32x = 237,085,660,182.56
  5. Step 5: Solve for x
    x = 237,085,660,182.56/552,610.32
  6. Step 6: Final answer
    x = 429,028.65

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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.