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Finding the Fourth Proportional to 587,304.27, 810,287.15 and 329,143.50

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Solution

The fourth proportional to 587,304.27, 810,287.15 and 329,143.50 is: 454,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,304.27 : 810,287.15 = 329,143.50 : x
  2. Step 2: Convert to fraction form
    587,304.27/810,287.15 = 329,143.50/x
  3. Step 3: Cross multiply
    587,304.27x = 810,287.15 × 329,143.50
  4. Step 4: Simplify right side
    587,304.27x = 266,700,746,910.31
  5. Step 5: Solve for x
    x = 266,700,746,910.31/587,304.27
  6. Step 6: Final answer
    x = 454,110.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.