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Finding the Fourth Proportional to 534,769.80, 802,154.70 and 179,665.80

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Solution

The fourth proportional to 534,769.80, 802,154.70 and 179,665.80 is: 269,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,769.80 : 802,154.70 = 179,665.80 : x
  2. Step 2: Convert to fraction form
    534,769.80/802,154.70 = 179,665.80/x
  3. Step 3: Cross multiply
    534,769.80x = 802,154.70 × 179,665.80
  4. Step 4: Simplify right side
    534,769.80x = 144,119,765,899.26
  5. Step 5: Solve for x
    x = 144,119,765,899.26/534,769.80
  6. Step 6: Final answer
    x = 269,498.70

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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.