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Finding the Fourth Proportional to 261,323.03, 360,780.37 and 164,609.79

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Solution

The fourth proportional to 261,323.03, 360,780.37 and 164,609.79 is: 227,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,323.03 : 360,780.37 = 164,609.79 : x
  2. Step 2: Convert to fraction form
    261,323.03/360,780.37 = 164,609.79/x
  3. Step 3: Cross multiply
    261,323.03x = 360,780.37 × 164,609.79
  4. Step 4: Simplify right side
    261,323.03x = 59,387,982,132.69
  5. Step 5: Solve for x
    x = 59,387,982,132.69/261,323.03
  6. Step 6: Final answer
    x = 227,258.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.