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Finding the Fourth Proportional to 427,295.32, 588,317.79 and 376,273.42

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Solution

The fourth proportional to 427,295.32, 588,317.79 and 376,273.42 is: 518,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,295.32 : 588,317.79 = 376,273.42 : x
  2. Step 2: Convert to fraction form
    427,295.32/588,317.79 = 376,273.42/x
  3. Step 3: Cross multiply
    427,295.32x = 588,317.79 × 376,273.42
  4. Step 4: Simplify right side
    427,295.32x = 221,368,346,890.14
  5. Step 5: Solve for x
    x = 221,368,346,890.14/427,295.32
  6. Step 6: Final answer
    x = 518,068.74

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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.