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Finding the Fourth Proportional to 310,568.04, 466,032.69 and 130,640.31

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Solution

The fourth proportional to 310,568.04, 466,032.69 and 130,640.31 is: 196,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,568.04 : 466,032.69 = 130,640.31 : x
  2. Step 2: Convert to fraction form
    310,568.04/466,032.69 = 130,640.31/x
  3. Step 3: Cross multiply
    310,568.04x = 466,032.69 × 130,640.31
  4. Step 4: Simplify right side
    310,568.04x = 60,882,655,091.73
  5. Step 5: Solve for x
    x = 60,882,655,091.73/310,568.04
  6. Step 6: Final answer
    x = 196,036.45

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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.