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Finding the Fourth Proportional to 550,296.29, 759,087.15 and 346,023.80

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Solution

The fourth proportional to 550,296.29, 759,087.15 and 346,023.80 is: 477,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,296.29 : 759,087.15 = 346,023.80 : x
  2. Step 2: Convert to fraction form
    550,296.29/759,087.15 = 346,023.80/x
  3. Step 3: Cross multiply
    550,296.29x = 759,087.15 × 346,023.80
  4. Step 4: Simplify right side
    550,296.29x = 262,662,220,174.17
  5. Step 5: Solve for x
    x = 262,662,220,174.17/550,296.29
  6. Step 6: Final answer
    x = 477,310.54

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1.5x scale

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.