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Finding the Fourth Proportional to 319,783.62, 441,294.48 and 174,584.46

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Solution

The fourth proportional to 319,783.62, 441,294.48 and 174,584.46 is: 240,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783.62 : 441,294.48 = 174,584.46 : x
  2. Step 2: Convert to fraction form
    319,783.62/441,294.48 = 174,584.46/x
  3. Step 3: Cross multiply
    319,783.62x = 441,294.48 × 174,584.46
  4. Step 4: Simplify right side
    319,783.62x = 77,043,158,491.78
  5. Step 5: Solve for x
    x = 77,043,158,491.78/319,783.62
  6. Step 6: Final answer
    x = 240,922.78

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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.