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Finding the Fourth Proportional to 357,903.44, 493,908.36 and 196,772.72

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Solution

The fourth proportional to 357,903.44, 493,908.36 and 196,772.72 is: 271,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,903.44 : 493,908.36 = 196,772.72 : x
  2. Step 2: Convert to fraction form
    357,903.44/493,908.36 = 196,772.72/x
  3. Step 3: Cross multiply
    357,903.44x = 493,908.36 × 196,772.72
  4. Step 4: Simplify right side
    357,903.44x = 97,187,691,427.94
  5. Step 5: Solve for x
    x = 97,187,691,427.94/357,903.44
  6. Step 6: Final answer
    x = 271,547.24

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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.