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Finding the Fourth Proportional to 259,365.78, 358,220.03 and 174,335.22

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Solution

The fourth proportional to 259,365.78, 358,220.03 and 174,335.22 is: 240,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,365.78 : 358,220.03 = 174,335.22 : x
  2. Step 2: Convert to fraction form
    259,365.78/358,220.03 = 174,335.22/x
  3. Step 3: Cross multiply
    259,365.78x = 358,220.03 × 174,335.22
  4. Step 4: Simplify right side
    259,365.78x = 62,450,366,866.78
  5. Step 5: Solve for x
    x = 62,450,366,866.78/259,365.78
  6. Step 6: Final answer
    x = 240,781.06

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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.