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Finding the Fourth Proportional to 604,508.11, 834,228.17 and 346,379.94

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Solution

The fourth proportional to 604,508.11, 834,228.17 and 346,379.94 is: 478,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,508.11 : 834,228.17 = 346,379.94 : x
  2. Step 2: Convert to fraction form
    604,508.11/834,228.17 = 346,379.94/x
  3. Step 3: Cross multiply
    604,508.11x = 834,228.17 × 346,379.94
  4. Step 4: Simplify right side
    604,508.11x = 288,959,903,470.91
  5. Step 5: Solve for x
    x = 288,959,903,470.91/604,508.11
  6. Step 6: Final answer
    x = 478,008.32

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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.