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Finding the Fourth Proportional to 534,719.80, 802,079.70 and 179,615.80

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Solution

The fourth proportional to 534,719.80, 802,079.70 and 179,615.80 is: 269,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,719.80 : 802,079.70 = 179,615.80 : x
  2. Step 2: Convert to fraction form
    534,719.80/802,079.70 = 179,615.80/x
  3. Step 3: Cross multiply
    534,719.80x = 802,079.70 × 179,615.80
  4. Step 4: Simplify right side
    534,719.80x = 144,066,186,979.26
  5. Step 5: Solve for x
    x = 144,066,186,979.26/534,719.80
  6. Step 6: Final answer
    x = 269,423.70

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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.