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Finding the Fourth Proportional to 350,063.60, 524,706.60 and 192,405.20

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Solution

The fourth proportional to 350,063.60, 524,706.60 and 192,405.20 is: 288,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,063.60 : 524,706.60 = 192,405.20 : x
  2. Step 2: Convert to fraction form
    350,063.60/524,706.60 = 192,405.20/x
  3. Step 3: Cross multiply
    350,063.60x = 524,706.60 × 192,405.20
  4. Step 4: Simplify right side
    350,063.60x = 100,956,278,314.32
  5. Step 5: Solve for x
    x = 100,956,278,314.32/350,063.60
  6. Step 6: Final answer
    x = 288,394.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.