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Finding the Fourth Proportional to 260,568.79, 359,554.71 and 145,853.85

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Solution

The fourth proportional to 260,568.79, 359,554.71 and 145,853.85 is: 201,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,568.79 : 359,554.71 = 145,853.85 : x
  2. Step 2: Convert to fraction form
    260,568.79/359,554.71 = 145,853.85/x
  3. Step 3: Cross multiply
    260,568.79x = 359,554.71 × 145,853.85
  4. Step 4: Simplify right side
    260,568.79x = 52,442,438,739.13
  5. Step 5: Solve for x
    x = 52,442,438,739.13/260,568.79
  6. Step 6: Final answer
    x = 201,261.40

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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.