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Finding the Fourth Proportional to 349,825.60, 524,133.60 and 162,452.80

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Solution

The fourth proportional to 349,825.60, 524,133.60 and 162,452.80 is: 243,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,825.60 : 524,133.60 = 162,452.80 : x
  2. Step 2: Convert to fraction form
    349,825.60/524,133.60 = 162,452.80/x
  3. Step 3: Cross multiply
    349,825.60x = 524,133.60 × 162,452.80
  4. Step 4: Simplify right side
    349,825.60x = 85,146,970,894.08
  5. Step 5: Solve for x
    x = 85,146,970,894.08/349,825.60
  6. Step 6: Final answer
    x = 243,398.34

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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.