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Finding the Fourth Proportional to 323,197.48, 484,829.32 and 123,685.68

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Solution

The fourth proportional to 323,197.48, 484,829.32 and 123,685.68 is: 185,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,197.48 : 484,829.32 = 123,685.68 : x
  2. Step 2: Convert to fraction form
    323,197.48/484,829.32 = 123,685.68/x
  3. Step 3: Cross multiply
    323,197.48x = 484,829.32 × 123,685.68
  4. Step 4: Simplify right side
    323,197.48x = 59,966,444,128.14
  5. Step 5: Solve for x
    x = 59,966,444,128.14/323,197.48
  6. Step 6: Final answer
    x = 185,541.19

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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.