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Finding the Fourth Proportional to 565,215.12, 779,650.56 and 335,616.48

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Solution

The fourth proportional to 565,215.12, 779,650.56 and 335,616.48 is: 462,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,215.12 : 779,650.56 = 335,616.48 : x
  2. Step 2: Convert to fraction form
    565,215.12/779,650.56 = 335,616.48/x
  3. Step 3: Cross multiply
    565,215.12x = 779,650.56 × 335,616.48
  4. Step 4: Simplify right side
    565,215.12x = 261,663,576,577.23
  5. Step 5: Solve for x
    x = 261,663,576,577.23/565,215.12
  6. Step 6: Final answer
    x = 462,945.11

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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.