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Finding the Fourth Proportional to 534,889.60, 802,334.40 and 269,468.80

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Solution

The fourth proportional to 534,889.60, 802,334.40 and 269,468.80 is: 404,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,889.60 : 802,334.40 = 269,468.80 : x
  2. Step 2: Convert to fraction form
    534,889.60/802,334.40 = 269,468.80/x
  3. Step 3: Cross multiply
    534,889.60x = 802,334.40 × 269,468.80
  4. Step 4: Simplify right side
    534,889.60x = 216,204,087,966.72
  5. Step 5: Solve for x
    x = 216,204,087,966.72/534,889.60
  6. Step 6: Final answer
    x = 404,203.20

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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.