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Finding the Fourth Proportional to 477,924.59, 659,530.80 and 263,060.07

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Solution

The fourth proportional to 477,924.59, 659,530.80 and 263,060.07 is: 363,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,924.59 : 659,530.80 = 263,060.07 : x
  2. Step 2: Convert to fraction form
    477,924.59/659,530.80 = 263,060.07/x
  3. Step 3: Cross multiply
    477,924.59x = 659,530.80 × 263,060.07
  4. Step 4: Simplify right side
    477,924.59x = 173,496,218,415.16
  5. Step 5: Solve for x
    x = 173,496,218,415.16/477,924.59
  6. Step 6: Final answer
    x = 363,020.07

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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.