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Finding the Fourth Proportional to 604,429.64, 834,020.40 and 349,731.62

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Solution

The fourth proportional to 604,429.64, 834,020.40 and 349,731.62 is: 482,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,429.64 : 834,020.40 = 349,731.62 : x
  2. Step 2: Convert to fraction form
    604,429.64/834,020.40 = 349,731.62/x
  3. Step 3: Cross multiply
    604,429.64x = 834,020.40 × 349,731.62
  4. Step 4: Simplify right side
    604,429.64x = 291,683,305,605.05
  5. Step 5: Solve for x
    x = 291,683,305,605.05/604,429.64
  6. Step 6: Final answer
    x = 482,576.11

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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.