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Finding the Fourth Proportional to 260,521.97, 359,587.91 and 147,410.33

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Solution

The fourth proportional to 260,521.97, 359,587.91 and 147,410.33 is: 203,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,521.97 : 359,587.91 = 147,410.33 : x
  2. Step 2: Convert to fraction form
    260,521.97/359,587.91 = 147,410.33/x
  3. Step 3: Cross multiply
    260,521.97x = 359,587.91 × 147,410.33
  4. Step 4: Simplify right side
    260,521.97x = 53,006,972,477.11
  5. Step 5: Solve for x
    x = 53,006,972,477.11/260,521.97
  6. Step 6: Final answer
    x = 203,464.50

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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.