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Finding the Fourth Proportional to 478,922.94, 660,943.62 and 264,062.70

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Solution

The fourth proportional to 478,922.94, 660,943.62 and 264,062.70 is: 364,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,922.94 : 660,943.62 = 264,062.70 : x
  2. Step 2: Convert to fraction form
    478,922.94/660,943.62 = 264,062.70/x
  3. Step 3: Cross multiply
    478,922.94x = 660,943.62 × 264,062.70
  4. Step 4: Simplify right side
    478,922.94x = 174,530,556,844.97
  5. Step 5: Solve for x
    x = 174,530,556,844.97/478,922.94
  6. Step 6: Final answer
    x = 364,423.05

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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.