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Finding the Fourth Proportional to 566,188.28, 781,325.46 and 308,054.24

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Solution

The fourth proportional to 566,188.28, 781,325.46 and 308,054.24 is: 425,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,188.28 : 781,325.46 = 308,054.24 : x
  2. Step 2: Convert to fraction form
    566,188.28/781,325.46 = 308,054.24/x
  3. Step 3: Cross multiply
    566,188.28x = 781,325.46 × 308,054.24
  4. Step 4: Simplify right side
    566,188.28x = 240,690,616,866.32
  5. Step 5: Solve for x
    x = 240,690,616,866.32/566,188.28
  6. Step 6: Final answer
    x = 425,107.03

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Double scale
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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.