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Finding the Fourth Proportional to 260,401.84, 359,352.72 and 145,679.92

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Solution

The fourth proportional to 260,401.84, 359,352.72 and 145,679.92 is: 201,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,401.84 : 359,352.72 = 145,679.92 : x
  2. Step 2: Convert to fraction form
    260,401.84/359,352.72 = 145,679.92/x
  3. Step 3: Cross multiply
    260,401.84x = 359,352.72 × 145,679.92
  4. Step 4: Simplify right side
    260,401.84x = 52,350,474,603.00
  5. Step 5: Solve for x
    x = 52,350,474,603.00/260,401.84
  6. Step 6: Final answer
    x = 201,037.27

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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.