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Finding the Fourth Proportional to 323,141.36, 484,708.64 and 83,254.29

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Solution

The fourth proportional to 323,141.36, 484,708.64 and 83,254.29 is: 124,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,141.36 : 484,708.64 = 83,254.29 : x
  2. Step 2: Convert to fraction form
    323,141.36/484,708.64 = 83,254.29/x
  3. Step 3: Cross multiply
    323,141.36x = 484,708.64 × 83,254.29
  4. Step 4: Simplify right side
    323,141.36x = 40,354,073,263.79
  5. Step 5: Solve for x
    x = 40,354,073,263.79/323,141.36
  6. Step 6: Final answer
    x = 124,880.56

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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.