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Finding the Fourth Proportional to 671,799.33, 927,148.55 and 501,738.21

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Solution

The fourth proportional to 671,799.33, 927,148.55 and 501,738.21 is: 692,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,799.33 : 927,148.55 = 501,738.21 : x
  2. Step 2: Convert to fraction form
    671,799.33/927,148.55 = 501,738.21/x
  3. Step 3: Cross multiply
    671,799.33x = 927,148.55 × 501,738.21
  4. Step 4: Simplify right side
    671,799.33x = 465,185,851,372.41
  5. Step 5: Solve for x
    x = 465,185,851,372.41/671,799.33
  6. Step 6: Final answer
    x = 692,447.63

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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.