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Finding the Fourth Proportional to 544,731.76, 817,228.95 and 170,754.76

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Solution

The fourth proportional to 544,731.76, 817,228.95 and 170,754.76 is: 256,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,731.76 : 817,228.95 = 170,754.76 : x
  2. Step 2: Convert to fraction form
    544,731.76/817,228.95 = 170,754.76/x
  3. Step 3: Cross multiply
    544,731.76x = 817,228.95 × 170,754.76
  4. Step 4: Simplify right side
    544,731.76x = 139,545,733,222.30
  5. Step 5: Solve for x
    x = 139,545,733,222.30/544,731.76
  6. Step 6: Final answer
    x = 256,173.30

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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.