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Finding the Fourth Proportional to 836,473.19, 1,154,340.03 and 454,499.96

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Solution

The fourth proportional to 836,473.19, 1,154,340.03 and 454,499.96 is: 627,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,473.19 : 1,154,340.03 = 454,499.96 : x
  2. Step 2: Convert to fraction form
    836,473.19/1,154,340.03 = 454,499.96/x
  3. Step 3: Cross multiply
    836,473.19x = 1,154,340.03 × 454,499.96
  4. Step 4: Simplify right side
    836,473.19x = 524,647,497,461.40
  5. Step 5: Solve for x
    x = 524,647,497,461.40/836,473.19
  6. Step 6: Final answer
    x = 627,213.76

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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.