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Finding the Fourth Proportional to 534,411.94, 801,656.80 and 179,422.96

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Solution

The fourth proportional to 534,411.94, 801,656.80 and 179,422.96 is: 269,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,411.94 : 801,656.80 = 179,422.96 : x
  2. Step 2: Convert to fraction form
    534,411.94/801,656.80 = 179,422.96/x
  3. Step 3: Cross multiply
    534,411.94x = 801,656.80 × 179,422.96
  4. Step 4: Simplify right side
    534,411.94x = 143,835,635,960.13
  5. Step 5: Solve for x
    x = 143,835,635,960.13/534,411.94
  6. Step 6: Final answer
    x = 269,147.50

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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.