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Finding the Fourth Proportional to 550,719.52, 825,988.56 and 176,693.92

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Solution

The fourth proportional to 550,719.52, 825,988.56 and 176,693.92 is: 265,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,719.52 : 825,988.56 = 176,693.92 : x
  2. Step 2: Convert to fraction form
    550,719.52/825,988.56 = 176,693.92/x
  3. Step 3: Cross multiply
    550,719.52x = 825,988.56 × 176,693.92
  4. Step 4: Simplify right side
    550,719.52x = 145,947,156,541.56
  5. Step 5: Solve for x
    x = 145,947,156,541.56/550,719.52
  6. Step 6: Final answer
    x = 265,011.77

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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.