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Finding the Fourth Proportional to 454,264.94, 626,885.63 and 263,389.05

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Solution

The fourth proportional to 454,264.94, 626,885.63 and 263,389.05 is: 363,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,264.94 : 626,885.63 = 263,389.05 : x
  2. Step 2: Convert to fraction form
    454,264.94/626,885.63 = 263,389.05/x
  3. Step 3: Cross multiply
    454,264.94x = 626,885.63 × 263,389.05
  4. Step 4: Simplify right side
    454,264.94x = 165,114,810,544.35
  5. Step 5: Solve for x
    x = 165,114,810,544.35/454,264.94
  6. Step 6: Final answer
    x = 363,476.90

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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.