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Finding the Fourth Proportional to 256,544.94, 354,018.96 and 149,097.63

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Solution

The fourth proportional to 256,544.94, 354,018.96 and 149,097.63 is: 205,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,544.94 : 354,018.96 = 149,097.63 : x
  2. Step 2: Convert to fraction form
    256,544.94/354,018.96 = 149,097.63/x
  3. Step 3: Cross multiply
    256,544.94x = 354,018.96 × 149,097.63
  4. Step 4: Simplify right side
    256,544.94x = 52,783,387,911.06
  5. Step 5: Solve for x
    x = 52,783,387,911.06/256,544.94
  6. Step 6: Final answer
    x = 205,747.14

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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.