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Finding the Fourth Proportional to 437,893.86, 656,445.44 and 157,345.50

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Solution

The fourth proportional to 437,893.86, 656,445.44 and 157,345.50 is: 235,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,893.86 : 656,445.44 = 157,345.50 : x
  2. Step 2: Convert to fraction form
    437,893.86/656,445.44 = 157,345.50/x
  3. Step 3: Cross multiply
    437,893.86x = 656,445.44 × 157,345.50
  4. Step 4: Simplify right side
    437,893.86x = 103,288,735,979.52
  5. Step 5: Solve for x
    x = 103,288,735,979.52/437,893.86
  6. Step 6: Final answer
    x = 235,876.19

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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.