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Finding the Fourth Proportional to 350,068.60, 524,714.10 and 192,410.20

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Solution

The fourth proportional to 350,068.60, 524,714.10 and 192,410.20 is: 288,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,068.60 : 524,714.10 = 192,410.20 : x
  2. Step 2: Convert to fraction form
    350,068.60/524,714.10 = 192,410.20/x
  3. Step 3: Cross multiply
    350,068.60x = 524,714.10 × 192,410.20
  4. Step 4: Simplify right side
    350,068.60x = 100,960,344,923.82
  5. Step 5: Solve for x
    x = 100,960,344,923.82/350,068.60
  6. Step 6: Final answer
    x = 288,401.60

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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.