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Finding the Fourth Proportional to 829,007.80, 1,244,167.80 and 323,810.80

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Solution

The fourth proportional to 829,007.80, 1,244,167.80 and 323,810.80 is: 485,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,007.80 : 1,244,167.80 = 323,810.80 : x
  2. Step 2: Convert to fraction form
    829,007.80/1,244,167.80 = 323,810.80/x
  3. Step 3: Cross multiply
    829,007.80x = 1,244,167.80 × 323,810.80
  4. Step 4: Simplify right side
    829,007.80x = 402,874,970,652.24
  5. Step 5: Solve for x
    x = 402,874,970,652.24/829,007.80
  6. Step 6: Final answer
    x = 485,972.47

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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.