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Finding the Fourth Proportional to 474,701.31, 655,393.46 and 423,626.36

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Solution

The fourth proportional to 474,701.31, 655,393.46 and 423,626.36 is: 584,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,701.31 : 655,393.46 = 423,626.36 : x
  2. Step 2: Convert to fraction form
    474,701.31/655,393.46 = 423,626.36/x
  3. Step 3: Cross multiply
    474,701.31x = 655,393.46 × 423,626.36
  4. Step 4: Simplify right side
    474,701.31x = 277,641,940,432.51
  5. Step 5: Solve for x
    x = 277,641,940,432.51/474,701.31
  6. Step 6: Final answer
    x = 584,877.13

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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.