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Finding the Fourth Proportional to 523,280.43, 722,134.55 and 293,887.37

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Solution

The fourth proportional to 523,280.43, 722,134.55 and 293,887.37 is: 405,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,280.43 : 722,134.55 = 293,887.37 : x
  2. Step 2: Convert to fraction form
    523,280.43/722,134.55 = 293,887.37/x
  3. Step 3: Cross multiply
    523,280.43x = 722,134.55 × 293,887.37
  4. Step 4: Simplify right side
    523,280.43x = 212,226,226,225.69
  5. Step 5: Solve for x
    x = 212,226,226,225.69/523,280.43
  6. Step 6: Final answer
    x = 405,568.82

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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.