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Finding the Fourth Proportional to 342,860.13, 514,324.05 and 118,190.97

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Solution

The fourth proportional to 342,860.13, 514,324.05 and 118,190.97 is: 177,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,860.13 : 514,324.05 = 118,190.97 : x
  2. Step 2: Convert to fraction form
    342,860.13/514,324.05 = 118,190.97/x
  3. Step 3: Cross multiply
    342,860.13x = 514,324.05 × 118,190.97
  4. Step 4: Simplify right side
    342,860.13x = 60,788,458,363.83
  5. Step 5: Solve for x
    x = 60,788,458,363.83/342,860.13
  6. Step 6: Final answer
    x = 177,298.13

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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.