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Finding the Fourth Proportional to 835,992.69, 1,153,676.69 and 454,022.20

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Solution

The fourth proportional to 835,992.69, 1,153,676.69 and 454,022.20 is: 626,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,992.69 : 1,153,676.69 = 454,022.20 : x
  2. Step 2: Convert to fraction form
    835,992.69/1,153,676.69 = 454,022.20/x
  3. Step 3: Cross multiply
    835,992.69x = 1,153,676.69 × 454,022.20
  4. Step 4: Simplify right side
    835,992.69x = 523,794,828,882.52
  5. Step 5: Solve for x
    x = 523,794,828,882.52/835,992.69
  6. Step 6: Final answer
    x = 626,554.32

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Double scale
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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.