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Finding the Fourth Proportional to 566,201.54, 781,334.70 and 308,079.55

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Solution

The fourth proportional to 566,201.54, 781,334.70 and 308,079.55 is: 425,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,201.54 : 781,334.70 = 308,079.55 : x
  2. Step 2: Convert to fraction form
    566,201.54/781,334.70 = 308,079.55/x
  3. Step 3: Cross multiply
    566,201.54x = 781,334.70 × 308,079.55
  4. Step 4: Simplify right side
    566,201.54x = 240,713,242,775.39
  5. Step 5: Solve for x
    x = 240,713,242,775.39/566,201.54
  6. Step 6: Final answer
    x = 425,137.03

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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.