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Finding the Fourth Proportional to 566,475.53, 781,753.83 and 308,369.66

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Solution

The fourth proportional to 566,475.53, 781,753.83 and 308,369.66 is: 425,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,475.53 : 781,753.83 = 308,369.66 : x
  2. Step 2: Convert to fraction form
    566,475.53/781,753.83 = 308,369.66/x
  3. Step 3: Cross multiply
    566,475.53x = 781,753.83 × 308,369.66
  4. Step 4: Simplify right side
    566,475.53x = 241,069,161,628.90
  5. Step 5: Solve for x
    x = 241,069,161,628.90/566,475.53
  6. Step 6: Final answer
    x = 425,559.71

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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.