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Finding the Fourth Proportional to 523,253.78, 722,081.03 and 293,812.89

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Solution

The fourth proportional to 523,253.78, 722,081.03 and 293,812.89 is: 405,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,253.78 : 722,081.03 = 293,812.89 : x
  2. Step 2: Convert to fraction form
    523,253.78/722,081.03 = 293,812.89/x
  3. Step 3: Cross multiply
    523,253.78x = 722,081.03 × 293,812.89
  4. Step 4: Simplify right side
    523,253.78x = 212,156,714,238.48
  5. Step 5: Solve for x
    x = 212,156,714,238.48/523,253.78
  6. Step 6: Final answer
    x = 405,456.63

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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.