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Finding the Fourth Proportional to 556,698.12, 835,092.24 and 157,342.20

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Solution

The fourth proportional to 556,698.12, 835,092.24 and 157,342.20 is: 236,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,698.12 : 835,092.24 = 157,342.20 : x
  2. Step 2: Convert to fraction form
    556,698.12/835,092.24 = 157,342.20/x
  3. Step 3: Cross multiply
    556,698.12x = 835,092.24 × 157,342.20
  4. Step 4: Simplify right side
    556,698.12x = 131,395,250,244.53
  5. Step 5: Solve for x
    x = 131,395,250,244.53/556,698.12
  6. Step 6: Final answer
    x = 236,026.04

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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.