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Finding the Fourth Proportional to 222,790.65, 307,370.31 and 146,350.91

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Solution

The fourth proportional to 222,790.65, 307,370.31 and 146,350.91 is: 201,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.65 : 307,370.31 = 146,350.91 : x
  2. Step 2: Convert to fraction form
    222,790.65/307,370.31 = 146,350.91/x
  3. Step 3: Cross multiply
    222,790.65x = 307,370.31 × 146,350.91
  4. Step 4: Simplify right side
    222,790.65x = 44,983,923,038.63
  5. Step 5: Solve for x
    x = 44,983,923,038.63/222,790.65
  6. Step 6: Final answer
    x = 201,911.18

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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.