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Finding the Fourth Proportional to 321,084.92, 443,104.35 and 183,261.08

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Solution

The fourth proportional to 321,084.92, 443,104.35 and 183,261.08 is: 252,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,084.92 : 443,104.35 = 183,261.08 : x
  2. Step 2: Convert to fraction form
    321,084.92/443,104.35 = 183,261.08/x
  3. Step 3: Cross multiply
    321,084.92x = 443,104.35 × 183,261.08
  4. Step 4: Simplify right side
    321,084.92x = 81,203,779,518.18
  5. Step 5: Solve for x
    x = 81,203,779,518.18/321,084.92
  6. Step 6: Final answer
    x = 252,904.37

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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.