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Finding the Fourth Proportional to 605,895.48, 908,744.70 and 286,046.73

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Solution

The fourth proportional to 605,895.48, 908,744.70 and 286,046.73 is: 429,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,895.48 : 908,744.70 = 286,046.73 : x
  2. Step 2: Convert to fraction form
    605,895.48/908,744.70 = 286,046.73/x
  3. Step 3: Cross multiply
    605,895.48x = 908,744.70 × 286,046.73
  4. Step 4: Simplify right side
    605,895.48x = 259,943,449,839.83
  5. Step 5: Solve for x
    x = 259,943,449,839.83/605,895.48
  6. Step 6: Final answer
    x = 429,023.58

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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.