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Finding the Fourth Proportional to 260,283.48, 359,052.30 and 158,340.12

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Solution

The fourth proportional to 260,283.48, 359,052.30 and 158,340.12 is: 218,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,283.48 : 359,052.30 = 158,340.12 : x
  2. Step 2: Convert to fraction form
    260,283.48/359,052.30 = 158,340.12/x
  3. Step 3: Cross multiply
    260,283.48x = 359,052.30 × 158,340.12
  4. Step 4: Simplify right side
    260,283.48x = 56,852,384,268.28
  5. Step 5: Solve for x
    x = 56,852,384,268.28/260,283.48
  6. Step 6: Final answer
    x = 218,424.87

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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.