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Finding the Fourth Proportional to 321,184.74, 443,223.19 and 185,224.42

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Solution

The fourth proportional to 321,184.74, 443,223.19 and 185,224.42 is: 255,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,184.74 : 443,223.19 = 185,224.42 : x
  2. Step 2: Convert to fraction form
    321,184.74/443,223.19 = 185,224.42/x
  3. Step 3: Cross multiply
    321,184.74x = 443,223.19 × 185,224.42
  4. Step 4: Simplify right side
    321,184.74x = 82,095,759,083.86
  5. Step 5: Solve for x
    x = 82,095,759,083.86/321,184.74
  6. Step 6: Final answer
    x = 255,602.92

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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.