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Finding the Fourth Proportional to 315,379.13, 473,277.62 and 173,323.59

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Solution

The fourth proportional to 315,379.13, 473,277.62 and 173,323.59 is: 260,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,379.13 : 473,277.62 = 173,323.59 : x
  2. Step 2: Convert to fraction form
    315,379.13/473,277.62 = 173,323.59/x
  3. Step 3: Cross multiply
    315,379.13x = 473,277.62 × 173,323.59
  4. Step 4: Simplify right side
    315,379.13x = 82,030,175,298.44
  5. Step 5: Solve for x
    x = 82,030,175,298.44/315,379.13
  6. Step 6: Final answer
    x = 260,100.21

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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.