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Finding the Fourth Proportional to 323,516.04, 485,339.67 and 113,301.60

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Solution

The fourth proportional to 323,516.04, 485,339.67 and 113,301.60 is: 169,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,516.04 : 485,339.67 = 113,301.60 : x
  2. Step 2: Convert to fraction form
    323,516.04/485,339.67 = 113,301.60/x
  3. Step 3: Cross multiply
    323,516.04x = 485,339.67 × 113,301.60
  4. Step 4: Simplify right side
    323,516.04x = 54,989,761,154.47
  5. Step 5: Solve for x
    x = 54,989,761,154.47/323,516.04
  6. Step 6: Final answer
    x = 169,975.38

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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.