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Finding the Fourth Proportional to 344,565.90, 475,511.25 and 208,624.74

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Solution

The fourth proportional to 344,565.90, 475,511.25 and 208,624.74 is: 287,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,565.90 : 475,511.25 = 208,624.74 : x
  2. Step 2: Convert to fraction form
    344,565.90/475,511.25 = 208,624.74/x
  3. Step 3: Cross multiply
    344,565.90x = 475,511.25 × 208,624.74
  4. Step 4: Simplify right side
    344,565.90x = 99,203,410,898.33
  5. Step 5: Solve for x
    x = 99,203,410,898.33/344,565.90
  6. Step 6: Final answer
    x = 287,908.38

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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.