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Finding the Fourth Proportional to 462,257.51, 693,386.26 and 125,298.23

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Solution

The fourth proportional to 462,257.51, 693,386.26 and 125,298.23 is: 187,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,257.51 : 693,386.26 = 125,298.23 : x
  2. Step 2: Convert to fraction form
    462,257.51/693,386.26 = 125,298.23/x
  3. Step 3: Cross multiply
    462,257.51x = 693,386.26 × 125,298.23
  4. Step 4: Simplify right side
    462,257.51x = 86,880,067,304.14
  5. Step 5: Solve for x
    x = 86,880,067,304.14/462,257.51
  6. Step 6: Final answer
    x = 187,947.34

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Double scale
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Similar ratio
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1.5x scale

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.