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Finding the Fourth Proportional to 477,602.98, 658,926.53 and 296,249.65

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Solution

The fourth proportional to 477,602.98, 658,926.53 and 296,249.65 is: 408,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,602.98 : 658,926.53 = 296,249.65 : x
  2. Step 2: Convert to fraction form
    477,602.98/658,926.53 = 296,249.65/x
  3. Step 3: Cross multiply
    477,602.98x = 658,926.53 × 296,249.65
  4. Step 4: Simplify right side
    477,602.98x = 195,206,751,870.59
  5. Step 5: Solve for x
    x = 195,206,751,870.59/477,602.98
  6. Step 6: Final answer
    x = 408,721.81

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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.