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Finding the Fourth Proportional to 310,575.30, 464,878.80 and 222,001.80

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Solution

The fourth proportional to 310,575.30, 464,878.80 and 222,001.80 is: 332,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,575.30 : 464,878.80 = 222,001.80 : x
  2. Step 2: Convert to fraction form
    310,575.30/464,878.80 = 222,001.80/x
  3. Step 3: Cross multiply
    310,575.30x = 464,878.80 × 222,001.80
  4. Step 4: Simplify right side
    310,575.30x = 103,203,930,381.84
  5. Step 5: Solve for x
    x = 103,203,930,381.84/310,575.30
  6. Step 6: Final answer
    x = 332,299.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.