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Finding the Fourth Proportional to 616,394.02, 850,624.90 and 344,461.90

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Solution

The fourth proportional to 616,394.02, 850,624.90 and 344,461.90 is: 475,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,394.02 : 850,624.90 = 344,461.90 : x
  2. Step 2: Convert to fraction form
    616,394.02/850,624.90 = 344,461.90/x
  3. Step 3: Cross multiply
    616,394.02x = 850,624.90 × 344,461.90
  4. Step 4: Simplify right side
    616,394.02x = 293,007,869,241.31
  5. Step 5: Solve for x
    x = 293,007,869,241.31/616,394.02
  6. Step 6: Final answer
    x = 475,358.07

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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.