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Finding the Fourth Proportional to 550,852.68, 760,869.60 and 454,406.04

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Solution

The fourth proportional to 550,852.68, 760,869.60 and 454,406.04 is: 627,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,852.68 : 760,869.60 = 454,406.04 : x
  2. Step 2: Convert to fraction form
    550,852.68/760,869.60 = 454,406.04/x
  3. Step 3: Cross multiply
    550,852.68x = 760,869.60 × 454,406.04
  4. Step 4: Simplify right side
    550,852.68x = 345,743,741,892.38
  5. Step 5: Solve for x
    x = 345,743,741,892.38/550,852.68
  6. Step 6: Final answer
    x = 627,651.92

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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.