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Finding the Fourth Proportional to 453,862.62, 626,414.40 and 262,875.96

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Solution

The fourth proportional to 453,862.62, 626,414.40 and 262,875.96 is: 362,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,862.62 : 626,414.40 = 262,875.96 : x
  2. Step 2: Convert to fraction form
    453,862.62/626,414.40 = 262,875.96/x
  3. Step 3: Cross multiply
    453,862.62x = 626,414.40 × 262,875.96
  4. Step 4: Simplify right side
    453,862.62x = 164,669,286,757.82
  5. Step 5: Solve for x
    x = 164,669,286,757.82/453,862.62
  6. Step 6: Final answer
    x = 362,817.47

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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.