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Finding the Fourth Proportional to 523,280.18, 722,134.22 and 293,887.12

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Solution

The fourth proportional to 523,280.18, 722,134.22 and 293,887.12 is: 405,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,280.18 : 722,134.22 = 293,887.12 : x
  2. Step 2: Convert to fraction form
    523,280.18/722,134.22 = 293,887.12/x
  3. Step 3: Cross multiply
    523,280.18x = 722,134.22 × 293,887.12
  4. Step 4: Simplify right side
    523,280.18x = 212,225,946,169.25
  5. Step 5: Solve for x
    x = 212,225,946,169.25/523,280.18
  6. Step 6: Final answer
    x = 405,568.48

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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.