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Finding the Fourth Proportional to 338,895.59, 467,292.42 and 216,223.79

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Solution

The fourth proportional to 338,895.59, 467,292.42 and 216,223.79 is: 298,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,895.59 : 467,292.42 = 216,223.79 : x
  2. Step 2: Convert to fraction form
    338,895.59/467,292.42 = 216,223.79/x
  3. Step 3: Cross multiply
    338,895.59x = 467,292.42 × 216,223.79
  4. Step 4: Simplify right side
    338,895.59x = 101,039,738,090.67
  5. Step 5: Solve for x
    x = 101,039,738,090.67/338,895.59
  6. Step 6: Final answer
    x = 298,144.15

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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.