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Finding the Fourth Proportional to 605,362.77, 908,044.16 and 285,440.18

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Solution

The fourth proportional to 605,362.77, 908,044.16 and 285,440.18 is: 428,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,362.77 : 908,044.16 = 285,440.18 : x
  2. Step 2: Convert to fraction form
    605,362.77/908,044.16 = 285,440.18/x
  3. Step 3: Cross multiply
    605,362.77x = 908,044.16 × 285,440.18
  4. Step 4: Simplify right side
    605,362.77x = 259,192,282,510.93
  5. Step 5: Solve for x
    x = 259,192,282,510.93/605,362.77
  6. Step 6: Final answer
    x = 428,160.26

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Similar ratio
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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.