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Finding the Fourth Proportional to 557,000.60, 835,394.34 and 157,544.96

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Solution

The fourth proportional to 557,000.60, 835,394.34 and 157,544.96 is: 236,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,000.60 : 835,394.34 = 157,544.96 : x
  2. Step 2: Convert to fraction form
    557,000.60/835,394.34 = 157,544.96/x
  3. Step 3: Cross multiply
    557,000.60x = 835,394.34 × 157,544.96
  4. Step 4: Simplify right side
    557,000.60x = 131,612,167,879.53
  5. Step 5: Solve for x
    x = 131,612,167,879.53/557,000.60
  6. Step 6: Final answer
    x = 236,287.30

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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.