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Finding the Fourth Proportional to 460,433.73, 635,314.22 and 256,479.57

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Solution

The fourth proportional to 460,433.73, 635,314.22 and 256,479.57 is: 353,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,433.73 : 635,314.22 = 256,479.57 : x
  2. Step 2: Convert to fraction form
    460,433.73/635,314.22 = 256,479.57/x
  3. Step 3: Cross multiply
    460,433.73x = 635,314.22 × 256,479.57
  4. Step 4: Simplify right side
    460,433.73x = 162,945,117,960.49
  5. Step 5: Solve for x
    x = 162,945,117,960.49/460,433.73
  6. Step 6: Final answer
    x = 353,894.83

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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.