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Finding the Fourth Proportional to 240,554.79, 360,583.03 and 197,987.61

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Solution

The fourth proportional to 240,554.79, 360,583.03 and 197,987.61 is: 296,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,554.79 : 360,583.03 = 197,987.61 : x
  2. Step 2: Convert to fraction form
    240,554.79/360,583.03 = 197,987.61/x
  3. Step 3: Cross multiply
    240,554.79x = 360,583.03 × 197,987.61
  4. Step 4: Simplify right side
    240,554.79x = 71,390,972,316.26
  5. Step 5: Solve for x
    x = 71,390,972,316.26/240,554.79
  6. Step 6: Final answer
    x = 296,776.35

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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.