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Finding the Fourth Proportional to 576,843.69, 864,058.64 and 463,913.49

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Solution

The fourth proportional to 576,843.69, 864,058.64 and 463,913.49 is: 694,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,843.69 : 864,058.64 = 463,913.49 : x
  2. Step 2: Convert to fraction form
    576,843.69/864,058.64 = 463,913.49/x
  3. Step 3: Cross multiply
    576,843.69x = 864,058.64 × 463,913.49
  4. Step 4: Simplify right side
    576,843.69x = 400,848,456,927.49
  5. Step 5: Solve for x
    x = 400,848,456,927.49/576,843.69
  6. Step 6: Final answer
    x = 694,899.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.