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Finding the Fourth Proportional to 836,418.96, 1,154,262.96 and 454,448.88

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Solution

The fourth proportional to 836,418.96, 1,154,262.96 and 454,448.88 is: 627,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,418.96 : 1,154,262.96 = 454,448.88 : x
  2. Step 2: Convert to fraction form
    836,418.96/1,154,262.96 = 454,448.88/x
  3. Step 3: Cross multiply
    836,418.96x = 1,154,262.96 × 454,448.88
  4. Step 4: Simplify right side
    836,418.96x = 524,553,509,397.49
  5. Step 5: Solve for x
    x = 524,553,509,397.49/836,418.96
  6. Step 6: Final answer
    x = 627,142.06

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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.