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Finding the Fourth Proportional to 836,957.60, 1,154,987.88 and 454,994

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Solution

The fourth proportional to 836,957.60, 1,154,987.88 and 454,994 is: 627,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,957.60 : 1,154,987.88 = 454,994 : x
  2. Step 2: Convert to fraction form
    836,957.60/1,154,987.88 = 454,994/x
  3. Step 3: Cross multiply
    836,957.60x = 1,154,987.88 × 454,994
  4. Step 4: Simplify right side
    836,957.60x = 525,512,555,472.72
  5. Step 5: Solve for x
    x = 525,512,555,472.72/836,957.60
  6. Step 6: Final answer
    x = 627,884.32

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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.