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Finding the Fourth Proportional to 329,018.40, 493,527.60 and 222,730.20

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Solution

The fourth proportional to 329,018.40, 493,527.60 and 222,730.20 is: 334,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,018.40 : 493,527.60 = 222,730.20 : x
  2. Step 2: Convert to fraction form
    329,018.40/493,527.60 = 222,730.20/x
  3. Step 3: Cross multiply
    329,018.40x = 493,527.60 × 222,730.20
  4. Step 4: Simplify right side
    329,018.40x = 109,923,501,053.52
  5. Step 5: Solve for x
    x = 109,923,501,053.52/329,018.40
  6. Step 6: Final answer
    x = 334,095.30

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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.