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Finding the Fourth Proportional to 575,259.92, 862,915.80 and 220,181.84

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Solution

The fourth proportional to 575,259.92, 862,915.80 and 220,181.84 is: 330,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,259.92 : 862,915.80 = 220,181.84 : x
  2. Step 2: Convert to fraction form
    575,259.92/862,915.80 = 220,181.84/x
  3. Step 3: Cross multiply
    575,259.92x = 862,915.80 × 220,181.84
  4. Step 4: Simplify right side
    575,259.92x = 189,998,388,609.07
  5. Step 5: Solve for x
    x = 189,998,388,609.07/575,259.92
  6. Step 6: Final answer
    x = 330,282.68

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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.