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Finding the Fourth Proportional to 445,877.26, 615,309.84 and 241,928.20

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Solution

The fourth proportional to 445,877.26, 615,309.84 and 241,928.20 is: 333,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,877.26 : 615,309.84 = 241,928.20 : x
  2. Step 2: Convert to fraction form
    445,877.26/615,309.84 = 241,928.20/x
  3. Step 3: Cross multiply
    445,877.26x = 615,309.84 × 241,928.20
  4. Step 4: Simplify right side
    445,877.26x = 148,860,802,033.49
  5. Step 5: Solve for x
    x = 148,860,802,033.49/445,877.26
  6. Step 6: Final answer
    x = 333,860.49

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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.