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Finding the Fourth Proportional to 220,597.89, 302,442.23 and 216,612.06

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Solution

The fourth proportional to 220,597.89, 302,442.23 and 216,612.06 is: 296,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,597.89 : 302,442.23 = 216,612.06 : x
  2. Step 2: Convert to fraction form
    220,597.89/302,442.23 = 216,612.06/x
  3. Step 3: Cross multiply
    220,597.89x = 302,442.23 × 216,612.06
  4. Step 4: Simplify right side
    220,597.89x = 65,512,634,471.29
  5. Step 5: Solve for x
    x = 65,512,634,471.29/220,597.89
  6. Step 6: Final answer
    x = 296,977.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.