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Finding the Fourth Proportional to 582,313.81, 803,431.62 and 349,680.73

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Solution

The fourth proportional to 582,313.81, 803,431.62 and 349,680.73 is: 482,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,313.81 : 803,431.62 = 349,680.73 : x
  2. Step 2: Convert to fraction form
    582,313.81/803,431.62 = 349,680.73/x
  3. Step 3: Cross multiply
    582,313.81x = 803,431.62 × 349,680.73
  4. Step 4: Simplify right side
    582,313.81x = 280,944,551,369.52
  5. Step 5: Solve for x
    x = 280,944,551,369.52/582,313.81
  6. Step 6: Final answer
    x = 482,462.46

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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.