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Finding the Fourth Proportional to 514,955.56, 772,433.82 and 292,873

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Solution

The fourth proportional to 514,955.56, 772,433.82 and 292,873 is: 439,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,955.56 : 772,433.82 = 292,873 : x
  2. Step 2: Convert to fraction form
    514,955.56/772,433.82 = 292,873/x
  3. Step 3: Cross multiply
    514,955.56x = 772,433.82 × 292,873
  4. Step 4: Simplify right side
    514,955.56x = 226,225,010,164.86
  5. Step 5: Solve for x
    x = 226,225,010,164.86/514,955.56
  6. Step 6: Final answer
    x = 439,309.77

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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.