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Finding the Fourth Proportional to 616,175.40, 850,291.62 and 344,189.32

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Solution

The fourth proportional to 616,175.40, 850,291.62 and 344,189.32 is: 474,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,175.40 : 850,291.62 = 344,189.32 : x
  2. Step 2: Convert to fraction form
    616,175.40/850,291.62 = 344,189.32/x
  3. Step 3: Cross multiply
    616,175.40x = 850,291.62 × 344,189.32
  4. Step 4: Simplify right side
    616,175.40x = 292,661,294,489.50
  5. Step 5: Solve for x
    x = 292,661,294,489.50/616,175.40
  6. Step 6: Final answer
    x = 474,964.26

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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.