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Finding the Fourth Proportional to 551,243.76, 760,798.86 and 336,508.24

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Solution

The fourth proportional to 551,243.76, 760,798.86 and 336,508.24 is: 464,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,243.76 : 760,798.86 = 336,508.24 : x
  2. Step 2: Convert to fraction form
    551,243.76/760,798.86 = 336,508.24/x
  3. Step 3: Cross multiply
    551,243.76x = 760,798.86 × 336,508.24
  4. Step 4: Simplify right side
    551,243.76x = 256,015,085,372.61
  5. Step 5: Solve for x
    x = 256,015,085,372.61/551,243.76
  6. Step 6: Final answer
    x = 464,431.72

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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.