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Finding the Fourth Proportional to 541,653.76, 747,481.72 and 299,936.32

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Solution

The fourth proportional to 541,653.76, 747,481.72 and 299,936.32 is: 413,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,653.76 : 747,481.72 = 299,936.32 : x
  2. Step 2: Convert to fraction form
    541,653.76/747,481.72 = 299,936.32/x
  3. Step 3: Cross multiply
    541,653.76x = 747,481.72 × 299,936.32
  4. Step 4: Simplify right side
    541,653.76x = 224,196,916,364.07
  5. Step 5: Solve for x
    x = 224,196,916,364.07/541,653.76
  6. Step 6: Final answer
    x = 413,911.86

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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.