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Finding the Fourth Proportional to 552,281.04, 762,143.04 and 310,558.46

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Solution

The fourth proportional to 552,281.04, 762,143.04 and 310,558.46 is: 428,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,281.04 : 762,143.04 = 310,558.46 : x
  2. Step 2: Convert to fraction form
    552,281.04/762,143.04 = 310,558.46/x
  3. Step 3: Cross multiply
    552,281.04x = 762,143.04 × 310,558.46
  4. Step 4: Simplify right side
    552,281.04x = 236,689,964,991.40
  5. Step 5: Solve for x
    x = 236,689,964,991.40/552,281.04
  6. Step 6: Final answer
    x = 428,567.97

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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.