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Finding the Fourth Proportional to 506,216.93, 698,579.03 and 276,775.11

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Solution

The fourth proportional to 506,216.93, 698,579.03 and 276,775.11 is: 381,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,216.93 : 698,579.03 = 276,775.11 : x
  2. Step 2: Convert to fraction form
    506,216.93/698,579.03 = 276,775.11/x
  3. Step 3: Cross multiply
    506,216.93x = 698,579.03 × 276,775.11
  4. Step 4: Simplify right side
    506,216.93x = 193,349,288,563.88
  5. Step 5: Solve for x
    x = 193,349,288,563.88/506,216.93
  6. Step 6: Final answer
    x = 381,949.47

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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.