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Finding the Fourth Proportional to 607,903.20, 911,855.52 and 158,623.74

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Solution

The fourth proportional to 607,903.20, 911,855.52 and 158,623.74 is: 237,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,903.20 : 911,855.52 = 158,623.74 : x
  2. Step 2: Convert to fraction form
    607,903.20/911,855.52 = 158,623.74/x
  3. Step 3: Cross multiply
    607,903.20x = 911,855.52 × 158,623.74
  4. Step 4: Simplify right side
    607,903.20x = 144,641,932,922.05
  5. Step 5: Solve for x
    x = 144,641,932,922.05/607,903.20
  6. Step 6: Final answer
    x = 237,935.80

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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.