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Finding the Fourth Proportional to 616,241.58, 850,407.53 and 344,356.30

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Solution

The fourth proportional to 616,241.58, 850,407.53 and 344,356.30 is: 475,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,241.58 : 850,407.53 = 344,356.30 : x
  2. Step 2: Convert to fraction form
    616,241.58/850,407.53 = 344,356.30/x
  3. Step 3: Cross multiply
    616,241.58x = 850,407.53 × 344,356.30
  4. Step 4: Simplify right side
    616,241.58x = 292,843,192,218.51
  5. Step 5: Solve for x
    x = 292,843,192,218.51/616,241.58
  6. Step 6: Final answer
    x = 475,208.43

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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.