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Finding the Fourth Proportional to 323,599.68, 485,196.57 and 98,885.43

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Solution

The fourth proportional to 323,599.68, 485,196.57 and 98,885.43 is: 148,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599.68 : 485,196.57 = 98,885.43 : x
  2. Step 2: Convert to fraction form
    323,599.68/485,196.57 = 98,885.43/x
  3. Step 3: Cross multiply
    323,599.68x = 485,196.57 × 98,885.43
  4. Step 4: Simplify right side
    323,599.68x = 47,978,871,458.98
  5. Step 5: Solve for x
    x = 47,978,871,458.98/323,599.68
  6. Step 6: Final answer
    x = 148,266.13

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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.