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Finding the Fourth Proportional to 362,521.72, 500,078.40 and 336,863.17

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Solution

The fourth proportional to 362,521.72, 500,078.40 and 336,863.17 is: 464,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,521.72 : 500,078.40 = 336,863.17 : x
  2. Step 2: Convert to fraction form
    362,521.72/500,078.40 = 336,863.17/x
  3. Step 3: Cross multiply
    362,521.72x = 500,078.40 × 336,863.17
  4. Step 4: Simplify right side
    362,521.72x = 168,457,995,072.53
  5. Step 5: Solve for x
    x = 168,457,995,072.53/362,521.72
  6. Step 6: Final answer
    x = 464,683.87

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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.