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Finding the Fourth Proportional to 477,190.73, 715,675.38 and 210,805.93

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Solution

The fourth proportional to 477,190.73, 715,675.38 and 210,805.93 is: 316,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,190.73 : 715,675.38 = 210,805.93 : x
  2. Step 2: Convert to fraction form
    477,190.73/715,675.38 = 210,805.93/x
  3. Step 3: Cross multiply
    477,190.73x = 715,675.38 × 210,805.93
  4. Step 4: Simplify right side
    477,190.73x = 150,868,614,059.00
  5. Step 5: Solve for x
    x = 150,868,614,059.00/477,190.73
  6. Step 6: Final answer
    x = 316,159.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.