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Finding the Fourth Proportional to 598,175.80, 825,015.81 and 383,335.84

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Solution

The fourth proportional to 598,175.80, 825,015.81 and 383,335.84 is: 528,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,175.80 : 825,015.81 = 383,335.84 : x
  2. Step 2: Convert to fraction form
    598,175.80/825,015.81 = 383,335.84/x
  3. Step 3: Cross multiply
    598,175.80x = 825,015.81 × 383,335.84
  4. Step 4: Simplify right side
    598,175.80x = 316,258,128,539.63
  5. Step 5: Solve for x
    x = 316,258,128,539.63/598,175.80
  6. Step 6: Final answer
    x = 528,704.32

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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.