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Finding the Fourth Proportional to 305,674.40, 458,511.60 and 222,730.40

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Solution

The fourth proportional to 305,674.40, 458,511.60 and 222,730.40 is: 334,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,674.40 : 458,511.60 = 222,730.40 : x
  2. Step 2: Convert to fraction form
    305,674.40/458,511.60 = 222,730.40/x
  3. Step 3: Cross multiply
    305,674.40x = 458,511.60 × 222,730.40
  4. Step 4: Simplify right side
    305,674.40x = 102,124,472,072.64
  5. Step 5: Solve for x
    x = 102,124,472,072.64/305,674.40
  6. Step 6: Final answer
    x = 334,095.60

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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.