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Finding the Fourth Proportional to 616,174.40, 850,290.24 and 344,188.32

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Solution

The fourth proportional to 616,174.40, 850,290.24 and 344,188.32 is: 474,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,174.40 : 850,290.24 = 344,188.32 : x
  2. Step 2: Convert to fraction form
    616,174.40/850,290.24 = 344,188.32/x
  3. Step 3: Cross multiply
    616,174.40x = 850,290.24 × 344,188.32
  4. Step 4: Simplify right side
    616,174.40x = 292,659,969,218.00
  5. Step 5: Solve for x
    x = 292,659,969,218.00/616,174.40
  6. Step 6: Final answer
    x = 474,962.88

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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.