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Finding the Fourth Proportional to 552,194.92, 762,030.27 and 310,479.58

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Solution

The fourth proportional to 552,194.92, 762,030.27 and 310,479.58 is: 428,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,194.92 : 762,030.27 = 310,479.58 : x
  2. Step 2: Convert to fraction form
    552,194.92/762,030.27 = 310,479.58/x
  3. Step 3: Cross multiply
    552,194.92x = 762,030.27 × 310,479.58
  4. Step 4: Simplify right side
    552,194.92x = 236,594,832,814.34
  5. Step 5: Solve for x
    x = 236,594,832,814.34/552,194.92
  6. Step 6: Final answer
    x = 428,462.53

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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.