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Finding the Fourth Proportional to 424,230.46, 585,439.95 and 230,640.06

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Solution

The fourth proportional to 424,230.46, 585,439.95 and 230,640.06 is: 318,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,230.46 : 585,439.95 = 230,640.06 : x
  2. Step 2: Convert to fraction form
    424,230.46/585,439.95 = 230,640.06/x
  3. Step 3: Cross multiply
    424,230.46x = 585,439.95 × 230,640.06
  4. Step 4: Simplify right side
    424,230.46x = 135,025,905,194.40
  5. Step 5: Solve for x
    x = 135,025,905,194.40/424,230.46
  6. Step 6: Final answer
    x = 318,284.32

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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.