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Finding the Fourth Proportional to 338,715.65, 467,559.10 and 254,078.93

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Solution

The fourth proportional to 338,715.65, 467,559.10 and 254,078.93 is: 350,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,715.65 : 467,559.10 = 254,078.93 : x
  2. Step 2: Convert to fraction form
    338,715.65/467,559.10 = 254,078.93/x
  3. Step 3: Cross multiply
    338,715.65x = 467,559.10 × 254,078.93
  4. Step 4: Simplify right side
    338,715.65x = 118,796,917,326.26
  5. Step 5: Solve for x
    x = 118,796,917,326.26/338,715.65
  6. Step 6: Final answer
    x = 350,727.57

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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.