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Finding the Fourth Proportional to 608,880.31, 913,374.12 and 159,599.63

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Solution

The fourth proportional to 608,880.31, 913,374.12 and 159,599.63 is: 239,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,880.31 : 913,374.12 = 159,599.63 : x
  2. Step 2: Convert to fraction form
    608,880.31/913,374.12 = 159,599.63/x
  3. Step 3: Cross multiply
    608,880.31x = 913,374.12 × 159,599.63
  4. Step 4: Simplify right side
    608,880.31x = 145,774,174,485.51
  5. Step 5: Solve for x
    x = 145,774,174,485.51/608,880.31
  6. Step 6: Final answer
    x = 239,413.51

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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.