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Finding the Fourth Proportional to 836,952.60, 1,154,980.96 and 454,989

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Solution

The fourth proportional to 836,952.60, 1,154,980.96 and 454,989 is: 627,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,952.60 : 1,154,980.96 = 454,989 : x
  2. Step 2: Convert to fraction form
    836,952.60/1,154,980.96 = 454,989/x
  3. Step 3: Cross multiply
    836,952.60x = 1,154,980.96 × 454,989
  4. Step 4: Simplify right side
    836,952.60x = 525,503,632,009.44
  5. Step 5: Solve for x
    x = 525,503,632,009.44/836,952.60
  6. Step 6: Final answer
    x = 627,877.41

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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.