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Finding the Fourth Proportional to 531,837.33, 734,053.86 and 338,205.80

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Solution

The fourth proportional to 531,837.33, 734,053.86 and 338,205.80 is: 466,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,837.33 : 734,053.86 = 338,205.80 : x
  2. Step 2: Convert to fraction form
    531,837.33/734,053.86 = 338,205.80/x
  3. Step 3: Cross multiply
    531,837.33x = 734,053.86 × 338,205.80
  4. Step 4: Simplify right side
    531,837.33x = 248,261,269,294.12
  5. Step 5: Solve for x
    x = 248,261,269,294.12/531,837.33
  6. Step 6: Final answer
    x = 466,799.25

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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.