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Finding the Fourth Proportional to 477,713.47, 715,896.27 and 372,063.55

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Solution

The fourth proportional to 477,713.47, 715,896.27 and 372,063.55 is: 557,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,713.47 : 715,896.27 = 372,063.55 : x
  2. Step 2: Convert to fraction form
    477,713.47/715,896.27 = 372,063.55/x
  3. Step 3: Cross multiply
    477,713.47x = 715,896.27 × 372,063.55
  4. Step 4: Simplify right side
    477,713.47x = 266,358,907,647.96
  5. Step 5: Solve for x
    x = 266,358,907,647.96/477,713.47
  6. Step 6: Final answer
    x = 557,570.44

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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.