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Finding the Fourth Proportional to 737,389.52, 1,017,912.08 and 495,812.12

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Solution

The fourth proportional to 737,389.52, 1,017,912.08 and 495,812.12 is: 684,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,389.52 : 1,017,912.08 = 495,812.12 : x
  2. Step 2: Convert to fraction form
    737,389.52/1,017,912.08 = 495,812.12/x
  3. Step 3: Cross multiply
    737,389.52x = 1,017,912.08 × 495,812.12
  4. Step 4: Simplify right side
    737,389.52x = 504,693,146,358.41
  5. Step 5: Solve for x
    x = 504,693,146,358.41/737,389.52
  6. Step 6: Final answer
    x = 684,432.22

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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.