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Finding the Fourth Proportional to 701,787.32, 968,444.64 and 395,859.23

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Solution

The fourth proportional to 701,787.32, 968,444.64 and 395,859.23 is: 546,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,787.32 : 968,444.64 = 395,859.23 : x
  2. Step 2: Convert to fraction form
    701,787.32/968,444.64 = 395,859.23/x
  3. Step 3: Cross multiply
    701,787.32x = 968,444.64 × 395,859.23
  4. Step 4: Simplify right side
    701,787.32x = 383,367,744,645.80
  5. Step 5: Solve for x
    x = 383,367,744,645.80/701,787.32
  6. Step 6: Final answer
    x = 546,273.40

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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.