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Finding the Fourth Proportional to 418,676.88, 577,761.75 and 237,405.36

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Solution

The fourth proportional to 418,676.88, 577,761.75 and 237,405.36 is: 327,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,676.88 : 577,761.75 = 237,405.36 : x
  2. Step 2: Convert to fraction form
    418,676.88/577,761.75 = 237,405.36/x
  3. Step 3: Cross multiply
    418,676.88x = 577,761.75 × 237,405.36
  4. Step 4: Simplify right side
    418,676.88x = 137,163,736,252.98
  5. Step 5: Solve for x
    x = 137,163,736,252.98/418,676.88
  6. Step 6: Final answer
    x = 327,612.40

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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.