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Finding the Fourth Proportional to 574,094.92, 792,282.10 and 319,451.64

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Solution

The fourth proportional to 574,094.92, 792,282.10 and 319,451.64 is: 440,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,094.92 : 792,282.10 = 319,451.64 : x
  2. Step 2: Convert to fraction form
    574,094.92/792,282.10 = 319,451.64/x
  3. Step 3: Cross multiply
    574,094.92x = 792,282.10 × 319,451.64
  4. Step 4: Simplify right side
    574,094.92x = 253,095,816,187.64
  5. Step 5: Solve for x
    x = 253,095,816,187.64/574,094.92
  6. Step 6: Final answer
    x = 440,860.57

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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.