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Finding the Fourth Proportional to 474,967.33, 712,452.42 and 115,136.77

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Solution

The fourth proportional to 474,967.33, 712,452.42 and 115,136.77 is: 172,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,967.33 : 712,452.42 = 115,136.77 : x
  2. Step 2: Convert to fraction form
    474,967.33/712,452.42 = 115,136.77/x
  3. Step 3: Cross multiply
    474,967.33x = 712,452.42 × 115,136.77
  4. Step 4: Simplify right side
    474,967.33x = 82,029,470,417.48
  5. Step 5: Solve for x
    x = 82,029,470,417.48/474,967.33
  6. Step 6: Final answer
    x = 172,705.50

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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.