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Finding the Fourth Proportional to 523,252.78, 722,079.65 and 293,811.89

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Solution

The fourth proportional to 523,252.78, 722,079.65 and 293,811.89 is: 405,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,252.78 : 722,079.65 = 293,811.89 : x
  2. Step 2: Convert to fraction form
    523,252.78/722,079.65 = 293,811.89/x
  3. Step 3: Cross multiply
    523,252.78x = 722,079.65 × 293,811.89
  4. Step 4: Simplify right side
    523,252.78x = 212,155,583,821.17
  5. Step 5: Solve for x
    x = 212,155,583,821.17/523,252.78
  6. Step 6: Final answer
    x = 405,455.25

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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.