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Finding the Fourth Proportional to 566,214.36, 781,352.22 and 308,092.32

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Solution

The fourth proportional to 566,214.36, 781,352.22 and 308,092.32 is: 425,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,214.36 : 781,352.22 = 308,092.32 : x
  2. Step 2: Convert to fraction form
    566,214.36/781,352.22 = 308,092.32/x
  3. Step 3: Cross multiply
    566,214.36x = 781,352.22 × 308,092.32
  4. Step 4: Simplify right side
    566,214.36x = 240,728,618,196.95
  5. Step 5: Solve for x
    x = 240,728,618,196.95/566,214.36
  6. Step 6: Final answer
    x = 425,154.56

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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.