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Finding the Fourth Proportional to 604,558.65, 834,410.25 and 346,608.90

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Solution

The fourth proportional to 604,558.65, 834,410.25 and 346,608.90 is: 478,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,558.65 : 834,410.25 = 346,608.90 : x
  2. Step 2: Convert to fraction form
    604,558.65/834,410.25 = 346,608.90/x
  3. Step 3: Cross multiply
    604,558.65x = 834,410.25 × 346,608.90
  4. Step 4: Simplify right side
    604,558.65x = 289,214,018,901.23
  5. Step 5: Solve for x
    x = 289,214,018,901.23/604,558.65
  6. Step 6: Final answer
    x = 478,388.69

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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.