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Finding the Fourth Proportional to 584,251.48, 806,267.58 and 315,979.48

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Solution

The fourth proportional to 584,251.48, 806,267.58 and 315,979.48 is: 436,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,251.48 : 806,267.58 = 315,979.48 : x
  2. Step 2: Convert to fraction form
    584,251.48/806,267.58 = 315,979.48/x
  3. Step 3: Cross multiply
    584,251.48x = 806,267.58 × 315,979.48
  4. Step 4: Simplify right side
    584,251.48x = 254,764,010,669.26
  5. Step 5: Solve for x
    x = 254,764,010,669.26/584,251.48
  6. Step 6: Final answer
    x = 436,051.97

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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.