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Finding the Fourth Proportional to 552,339.70, 762,254.62 and 307,325.81

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Solution

The fourth proportional to 552,339.70, 762,254.62 and 307,325.81 is: 424,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,339.70 : 762,254.62 = 307,325.81 : x
  2. Step 2: Convert to fraction form
    552,339.70/762,254.62 = 307,325.81/x
  3. Step 3: Cross multiply
    552,339.70x = 762,254.62 × 307,325.81
  4. Step 4: Simplify right side
    552,339.70x = 234,260,519,655.06
  5. Step 5: Solve for x
    x = 234,260,519,655.06/552,339.70
  6. Step 6: Final answer
    x = 424,124.00

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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.