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Finding the Fourth Proportional to 341,567.80, 512,351.70 and 331,726.30

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Solution

The fourth proportional to 341,567.80, 512,351.70 and 331,726.30 is: 497,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,567.80 : 512,351.70 = 331,726.30 : x
  2. Step 2: Convert to fraction form
    341,567.80/512,351.70 = 331,726.30/x
  3. Step 3: Cross multiply
    341,567.80x = 512,351.70 × 331,726.30
  4. Step 4: Simplify right side
    341,567.80x = 169,960,533,739.71
  5. Step 5: Solve for x
    x = 169,960,533,739.71/341,567.80
  6. Step 6: Final answer
    x = 497,589.45

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1.5x scale

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.