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Finding the Fourth Proportional to 462,417.44, 693,640.40 and 125,456.76

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Solution

The fourth proportional to 462,417.44, 693,640.40 and 125,456.76 is: 188,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,417.44 : 693,640.40 = 125,456.76 : x
  2. Step 2: Convert to fraction form
    462,417.44/693,640.40 = 125,456.76/x
  3. Step 3: Cross multiply
    462,417.44x = 693,640.40 × 125,456.76
  4. Step 4: Simplify right side
    462,417.44x = 87,021,877,189.10
  5. Step 5: Solve for x
    x = 87,021,877,189.10/462,417.44
  6. Step 6: Final answer
    x = 188,189.00

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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.