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Finding the Fourth Proportional to 557,183.49, 768,914.22 and 302,534.69

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Solution

The fourth proportional to 557,183.49, 768,914.22 and 302,534.69 is: 417,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,183.49 : 768,914.22 = 302,534.69 : x
  2. Step 2: Convert to fraction form
    557,183.49/768,914.22 = 302,534.69/x
  3. Step 3: Cross multiply
    557,183.49x = 768,914.22 × 302,534.69
  4. Step 4: Simplify right side
    557,183.49x = 232,623,221,339.72
  5. Step 5: Solve for x
    x = 232,623,221,339.72/557,183.49
  6. Step 6: Final answer
    x = 417,498.41

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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.