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Finding the Fourth Proportional to 343,972.42, 474,665.96 and 191,020.32

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Solution

The fourth proportional to 343,972.42, 474,665.96 and 191,020.32 is: 263,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,972.42 : 474,665.96 = 191,020.32 : x
  2. Step 2: Convert to fraction form
    343,972.42/474,665.96 = 191,020.32/x
  3. Step 3: Cross multiply
    343,972.42x = 474,665.96 × 191,020.32
  4. Step 4: Simplify right side
    343,972.42x = 90,670,843,572.31
  5. Step 5: Solve for x
    x = 90,670,843,572.31/343,972.42
  6. Step 6: Final answer
    x = 263,599.17

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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.