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Finding the Fourth Proportional to 465,808.70, 698,746.28 and 124,250.22

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Solution

The fourth proportional to 465,808.70, 698,746.28 and 124,250.22 is: 186,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,808.70 : 698,746.28 = 124,250.22 : x
  2. Step 2: Convert to fraction form
    465,808.70/698,746.28 = 124,250.22/x
  3. Step 3: Cross multiply
    465,808.70x = 698,746.28 × 124,250.22
  4. Step 4: Simplify right side
    465,808.70x = 86,819,379,014.18
  5. Step 5: Solve for x
    x = 86,819,379,014.18/465,808.70
  6. Step 6: Final answer
    x = 186,384.19

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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.