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Finding the Fourth Proportional to 476,477.92, 714,716.34 and 371,375.56

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Solution

The fourth proportional to 476,477.92, 714,716.34 and 371,375.56 is: 557,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,477.92 : 714,716.34 = 371,375.56 : x
  2. Step 2: Convert to fraction form
    476,477.92/714,716.34 = 371,375.56/x
  3. Step 3: Cross multiply
    476,477.92x = 714,716.34 × 371,375.56
  4. Step 4: Simplify right side
    476,477.92x = 265,428,181,008.65
  5. Step 5: Solve for x
    x = 265,428,181,008.65/476,477.92
  6. Step 6: Final answer
    x = 557,062.92

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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.