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Finding the Fourth Proportional to 463,085.27, 638,445.08 and 333,915.65

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Solution

The fourth proportional to 463,085.27, 638,445.08 and 333,915.65 is: 460,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,085.27 : 638,445.08 = 333,915.65 : x
  2. Step 2: Convert to fraction form
    463,085.27/638,445.08 = 333,915.65/x
  3. Step 3: Cross multiply
    463,085.27x = 638,445.08 × 333,915.65
  4. Step 4: Simplify right side
    463,085.27x = 213,186,802,207.92
  5. Step 5: Solve for x
    x = 213,186,802,207.92/463,085.27
  6. Step 6: Final answer
    x = 460,361.87

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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.