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Finding the Fourth Proportional to 586,979.40, 810,034.56 and 332,380.20

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Solution

The fourth proportional to 586,979.40, 810,034.56 and 332,380.20 is: 458,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,979.40 : 810,034.56 = 332,380.20 : x
  2. Step 2: Convert to fraction form
    586,979.40/810,034.56 = 332,380.20/x
  3. Step 3: Cross multiply
    586,979.40x = 810,034.56 × 332,380.20
  4. Step 4: Simplify right side
    586,979.40x = 269,239,449,059.71
  5. Step 5: Solve for x
    x = 269,239,449,059.71/586,979.40
  6. Step 6: Final answer
    x = 458,686.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.