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Finding the Fourth Proportional to 475,706.93, 713,557.15 and 115,873.40

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Solution

The fourth proportional to 475,706.93, 713,557.15 and 115,873.40 is: 173,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,706.93 : 713,557.15 = 115,873.40 : x
  2. Step 2: Convert to fraction form
    475,706.93/713,557.15 = 115,873.40/x
  3. Step 3: Cross multiply
    475,706.93x = 713,557.15 × 115,873.40
  4. Step 4: Simplify right side
    475,706.93x = 82,682,294,559.02
  5. Step 5: Solve for x
    x = 82,682,294,559.02/475,706.93
  6. Step 6: Final answer
    x = 173,809.31

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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.