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Finding the Fourth Proportional to 324,259.78, 487,127.78 and 234,579.11

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Solution

The fourth proportional to 324,259.78, 487,127.78 and 234,579.11 is: 352,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,259.78 : 487,127.78 = 234,579.11 : x
  2. Step 2: Convert to fraction form
    324,259.78/487,127.78 = 234,579.11/x
  3. Step 3: Cross multiply
    324,259.78x = 487,127.78 × 234,579.11
  4. Step 4: Simplify right side
    324,259.78x = 114,270,002,419.41
  5. Step 5: Solve for x
    x = 114,270,002,419.41/324,259.78
  6. Step 6: Final answer
    x = 352,402.64

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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.