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Finding the Fourth Proportional to 556,496.65, 834,777.27 and 157,103.98

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Solution

The fourth proportional to 556,496.65, 834,777.27 and 157,103.98 is: 235,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,496.65 : 834,777.27 = 157,103.98 : x
  2. Step 2: Convert to fraction form
    556,496.65/834,777.27 = 157,103.98/x
  3. Step 3: Cross multiply
    556,496.65x = 834,777.27 × 157,103.98
  4. Step 4: Simplify right side
    556,496.65x = 131,146,831,530.54
  5. Step 5: Solve for x
    x = 131,146,831,530.54/556,496.65
  6. Step 6: Final answer
    x = 235,665.09

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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.