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Finding the Fourth Proportional to 616,760.79, 925,946.90 and 495,246.21

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Solution

The fourth proportional to 616,760.79, 925,946.90 and 495,246.21 is: 743,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,760.79 : 925,946.90 = 495,246.21 : x
  2. Step 2: Convert to fraction form
    616,760.79/925,946.90 = 495,246.21/x
  3. Step 3: Cross multiply
    616,760.79x = 925,946.90 × 495,246.21
  4. Step 4: Simplify right side
    616,760.79x = 458,571,690,410.02
  5. Step 5: Solve for x
    x = 458,571,690,410.02/616,760.79
  6. Step 6: Final answer
    x = 743,516.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.