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Finding the Fourth Proportional to 323,598.14, 485,015.97 and 145,897.10

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Solution

The fourth proportional to 323,598.14, 485,015.97 and 145,897.10 is: 218,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,598.14 : 485,015.97 = 145,897.10 : x
  2. Step 2: Convert to fraction form
    323,598.14/485,015.97 = 145,897.10/x
  3. Step 3: Cross multiply
    323,598.14x = 485,015.97 × 145,897.10
  4. Step 4: Simplify right side
    323,598.14x = 70,762,422,747.20
  5. Step 5: Solve for x
    x = 70,762,422,747.20/323,598.14
  6. Step 6: Final answer
    x = 218,673.76

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1.5x scale

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.