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Finding the Fourth Proportional to 616,116.26, 850,210.08 and 344,130

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Solution

The fourth proportional to 616,116.26, 850,210.08 and 344,130 is: 474,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,116.26 : 850,210.08 = 344,130 : x
  2. Step 2: Convert to fraction form
    616,116.26/850,210.08 = 344,130/x
  3. Step 3: Cross multiply
    616,116.26x = 850,210.08 × 344,130
  4. Step 4: Simplify right side
    616,116.26x = 292,582,794,830.40
  5. Step 5: Solve for x
    x = 292,582,794,830.40/616,116.26
  6. Step 6: Final answer
    x = 474,882.44

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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.