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Finding the Fourth Proportional to 357,061.64, 492,744.84 and 195,917.72

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Solution

The fourth proportional to 357,061.64, 492,744.84 and 195,917.72 is: 270,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,061.64 : 492,744.84 = 195,917.72 : x
  2. Step 2: Convert to fraction form
    357,061.64/492,744.84 = 195,917.72/x
  3. Step 3: Cross multiply
    357,061.64x = 492,744.84 × 195,917.72
  4. Step 4: Simplify right side
    357,061.64x = 96,537,445,594.56
  5. Step 5: Solve for x
    x = 96,537,445,594.56/357,061.64
  6. Step 6: Final answer
    x = 270,366.33

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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.