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Finding the Fourth Proportional to 354,896.15, 531,901.17 and 177,453.90

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Solution

The fourth proportional to 354,896.15, 531,901.17 and 177,453.90 is: 265,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,896.15 : 531,901.17 = 177,453.90 : x
  2. Step 2: Convert to fraction form
    354,896.15/531,901.17 = 177,453.90/x
  3. Step 3: Cross multiply
    354,896.15x = 531,901.17 × 177,453.90
  4. Step 4: Simplify right side
    354,896.15x = 94,387,937,031.06
  5. Step 5: Solve for x
    x = 94,387,937,031.06/354,896.15
  6. Step 6: Final answer
    x = 265,959.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.