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Finding the Fourth Proportional to 256,411.04, 351,963.88 and 227,484.32

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Solution

The fourth proportional to 256,411.04, 351,963.88 and 227,484.32 is: 312,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,411.04 : 351,963.88 = 227,484.32 : x
  2. Step 2: Convert to fraction form
    256,411.04/351,963.88 = 227,484.32/x
  3. Step 3: Cross multiply
    256,411.04x = 351,963.88 × 227,484.32
  4. Step 4: Simplify right side
    256,411.04x = 80,066,263,906.36
  5. Step 5: Solve for x
    x = 80,066,263,906.36/256,411.04
  6. Step 6: Final answer
    x = 312,257.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.