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Finding the Fourth Proportional to 556,500.15, 834,782.54 and 157,107.49

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Solution

The fourth proportional to 556,500.15, 834,782.54 and 157,107.49 is: 235,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,500.15 : 834,782.54 = 157,107.49 : x
  2. Step 2: Convert to fraction form
    556,500.15/834,782.54 = 157,107.49/x
  3. Step 3: Cross multiply
    556,500.15x = 834,782.54 × 157,107.49
  4. Step 4: Simplify right side
    556,500.15x = 131,150,586,682.73
  5. Step 5: Solve for x
    x = 131,150,586,682.73/556,500.15
  6. Step 6: Final answer
    x = 235,670.35

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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.