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Finding the Fourth Proportional to 505,766.27, 754,959.87 and 441,920.72

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Solution

The fourth proportional to 505,766.27, 754,959.87 and 441,920.72 is: 659,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,766.27 : 754,959.87 = 441,920.72 : x
  2. Step 2: Convert to fraction form
    505,766.27/754,959.87 = 441,920.72/x
  3. Step 3: Cross multiply
    505,766.27x = 754,959.87 × 441,920.72
  4. Step 4: Simplify right side
    505,766.27x = 333,632,411,027.67
  5. Step 5: Solve for x
    x = 333,632,411,027.67/505,766.27
  6. Step 6: Final answer
    x = 659,657.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.