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Finding the Fourth Proportional to 608,878.50, 913,321.65 and 159,595.50

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Solution

The fourth proportional to 608,878.50, 913,321.65 and 159,595.50 is: 239,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,878.50 : 913,321.65 = 159,595.50 : x
  2. Step 2: Convert to fraction form
    608,878.50/913,321.65 = 159,595.50/x
  3. Step 3: Cross multiply
    608,878.50x = 913,321.65 × 159,595.50
  4. Step 4: Simplify right side
    608,878.50x = 145,762,025,392.58
  5. Step 5: Solve for x
    x = 145,762,025,392.58/608,878.50
  6. Step 6: Final answer
    x = 239,394.27

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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.