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Finding the Fourth Proportional to 616,190.40, 850,333.12 and 344,262.04

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Solution

The fourth proportional to 616,190.40, 850,333.12 and 344,262.04 is: 475,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,190.40 : 850,333.12 = 344,262.04 : x
  2. Step 2: Convert to fraction form
    616,190.40/850,333.12 = 344,262.04/x
  3. Step 3: Cross multiply
    616,190.40x = 850,333.12 × 344,262.04
  4. Step 4: Simplify right side
    616,190.40x = 292,737,414,570.77
  5. Step 5: Solve for x
    x = 292,737,414,570.77/616,190.40
  6. Step 6: Final answer
    x = 475,076.23

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1.5x scale

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.