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Finding the Fourth Proportional to 695,874.84, 959,646.06 and 454,080.12

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Solution

The fourth proportional to 695,874.84, 959,646.06 and 454,080.12 is: 626,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,874.84 : 959,646.06 = 454,080.12 : x
  2. Step 2: Convert to fraction form
    695,874.84/959,646.06 = 454,080.12/x
  3. Step 3: Cross multiply
    695,874.84x = 959,646.06 × 454,080.12
  4. Step 4: Simplify right side
    695,874.84x = 435,756,198,082.33
  5. Step 5: Solve for x
    x = 435,756,198,082.33/695,874.84
  6. Step 6: Final answer
    x = 626,199.10

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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.