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Finding the Fourth Proportional to 604,885.21, 834,643.92 and 346,714.65

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Solution

The fourth proportional to 604,885.21, 834,643.92 and 346,714.65 is: 478,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,885.21 : 834,643.92 = 346,714.65 : x
  2. Step 2: Convert to fraction form
    604,885.21/834,643.92 = 346,714.65/x
  3. Step 3: Cross multiply
    604,885.21x = 834,643.92 × 346,714.65
  4. Step 4: Simplify right side
    604,885.21x = 289,383,275,634.57
  5. Step 5: Solve for x
    x = 289,383,275,634.57/604,885.21
  6. Step 6: Final answer
    x = 478,410.23

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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.