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Finding the Fourth Proportional to 571,674, 788,853.42 and 330,034.53

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Solution

The fourth proportional to 571,674, 788,853.42 and 330,034.53 is: 455,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,674 : 788,853.42 = 330,034.53 : x
  2. Step 2: Convert to fraction form
    571,674/788,853.42 = 330,034.53/x
  3. Step 3: Cross multiply
    571,674x = 788,853.42 × 330,034.53
  4. Step 4: Simplify right side
    571,674x = 260,348,867,708.59
  5. Step 5: Solve for x
    x = 260,348,867,708.59/571,674
  6. Step 6: Final answer
    x = 455,414.92

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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.