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Finding the Fourth Proportional to 410,891.40, 576,077.40 and 410,891.40

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Solution

The fourth proportional to 410,891.40, 576,077.40 and 410,891.40 is: 576,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,891.40 : 576,077.40 = 410,891.40 : x
  2. Step 2: Convert to fraction form
    410,891.40/576,077.40 = 410,891.40/x
  3. Step 3: Cross multiply
    410,891.40x = 576,077.40 × 410,891.40
  4. Step 4: Simplify right side
    410,891.40x = 236,705,249,394.36
  5. Step 5: Solve for x
    x = 236,705,249,394.36/410,891.40
  6. Step 6: Final answer
    x = 576,077.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.