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Finding the Fourth Proportional to 557,752.87, 769,707.27 and 303,104.26

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Solution

The fourth proportional to 557,752.87, 769,707.27 and 303,104.26 is: 418,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,752.87 : 769,707.27 = 303,104.26 : x
  2. Step 2: Convert to fraction form
    557,752.87/769,707.27 = 303,104.26/x
  3. Step 3: Cross multiply
    557,752.87x = 769,707.27 × 303,104.26
  4. Step 4: Simplify right side
    557,752.87x = 233,301,552,489.97
  5. Step 5: Solve for x
    x = 233,301,552,489.97/557,752.87
  6. Step 6: Final answer
    x = 418,288.39

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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.