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Finding the Fourth Proportional to 253,618.68, 350,004.66 and 140,441.42

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Solution

The fourth proportional to 253,618.68, 350,004.66 and 140,441.42 is: 193,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,618.68 : 350,004.66 = 140,441.42 : x
  2. Step 2: Convert to fraction form
    253,618.68/350,004.66 = 140,441.42/x
  3. Step 3: Cross multiply
    253,618.68x = 350,004.66 × 140,441.42
  4. Step 4: Simplify right side
    253,618.68x = 49,155,151,457.02
  5. Step 5: Solve for x
    x = 49,155,151,457.02/253,618.68
  6. Step 6: Final answer
    x = 193,815.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.