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Finding the Fourth Proportional to 344,281.20, 475,095.42 and 191,328.90

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Solution

The fourth proportional to 344,281.20, 475,095.42 and 191,328.90 is: 264,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,281.20 : 475,095.42 = 191,328.90 : x
  2. Step 2: Convert to fraction form
    344,281.20/475,095.42 = 191,328.90/x
  3. Step 3: Cross multiply
    344,281.20x = 475,095.42 × 191,328.90
  4. Step 4: Simplify right side
    344,281.20x = 90,899,484,103.64
  5. Step 5: Solve for x
    x = 90,899,484,103.64/344,281.20
  6. Step 6: Final answer
    x = 264,026.86

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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.