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Finding the Fourth Proportional to 616,242.08, 850,330 and 344,276.64

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Solution

The fourth proportional to 616,242.08, 850,330 and 344,276.64 is: 475,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,242.08 : 850,330 = 344,276.64 : x
  2. Step 2: Convert to fraction form
    616,242.08/850,330 = 344,276.64/x
  3. Step 3: Cross multiply
    616,242.08x = 850,330 × 344,276.64
  4. Step 4: Simplify right side
    616,242.08x = 292,748,755,291.20
  5. Step 5: Solve for x
    x = 292,748,755,291.20/616,242.08
  6. Step 6: Final answer
    x = 475,054.80

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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.