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Finding the Fourth Proportional to 616,429.67, 850,670.01 and 344,497.40

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Solution

The fourth proportional to 616,429.67, 850,670.01 and 344,497.40 is: 475,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,429.67 : 850,670.01 = 344,497.40 : x
  2. Step 2: Convert to fraction form
    616,429.67/850,670.01 = 344,497.40/x
  3. Step 3: Cross multiply
    616,429.67x = 850,670.01 × 344,497.40
  4. Step 4: Simplify right side
    616,429.67x = 293,053,602,449.62
  5. Step 5: Solve for x
    x = 293,053,602,449.62/616,429.67
  6. Step 6: Final answer
    x = 475,404.77

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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.