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Finding the Fourth Proportional to 608,295.80, 912,495.59 and 159,015.95

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Solution

The fourth proportional to 608,295.80, 912,495.59 and 159,015.95 is: 238,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,295.80 : 912,495.59 = 159,015.95 : x
  2. Step 2: Convert to fraction form
    608,295.80/912,495.59 = 159,015.95/x
  3. Step 3: Cross multiply
    608,295.80x = 912,495.59 × 159,015.95
  4. Step 4: Simplify right side
    608,295.80x = 145,101,348,949.72
  5. Step 5: Solve for x
    x = 145,101,348,949.72/608,295.80
  6. Step 6: Final answer
    x = 238,537.48

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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.