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Finding the Fourth Proportional to 557,257.35, 835,893.72 and 157,897.74

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Solution

The fourth proportional to 557,257.35, 835,893.72 and 157,897.74 is: 236,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,257.35 : 835,893.72 = 157,897.74 : x
  2. Step 2: Convert to fraction form
    557,257.35/835,893.72 = 157,897.74/x
  3. Step 3: Cross multiply
    557,257.35x = 835,893.72 × 157,897.74
  4. Step 4: Simplify right side
    557,257.35x = 131,985,729,268.19
  5. Step 5: Solve for x
    x = 131,985,729,268.19/557,257.35
  6. Step 6: Final answer
    x = 236,848.79

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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.