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Finding the Fourth Proportional to 550,294.29, 759,084.39 and 346,021.80

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Solution

The fourth proportional to 550,294.29, 759,084.39 and 346,021.80 is: 477,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,294.29 : 759,084.39 = 346,021.80 : x
  2. Step 2: Convert to fraction form
    550,294.29/759,084.39 = 346,021.80/x
  3. Step 3: Cross multiply
    550,294.29x = 759,084.39 × 346,021.80
  4. Step 4: Simplify right side
    550,294.29x = 262,659,746,979.70
  5. Step 5: Solve for x
    x = 262,659,746,979.70/550,294.29
  6. Step 6: Final answer
    x = 477,307.78

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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.