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Finding the Fourth Proportional to 352,787.58, 486,850.32 and 191,643.93

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Solution

The fourth proportional to 352,787.58, 486,850.32 and 191,643.93 is: 264,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,787.58 : 486,850.32 = 191,643.93 : x
  2. Step 2: Convert to fraction form
    352,787.58/486,850.32 = 191,643.93/x
  3. Step 3: Cross multiply
    352,787.58x = 486,850.32 × 191,643.93
  4. Step 4: Simplify right side
    352,787.58x = 93,301,908,646.56
  5. Step 5: Solve for x
    x = 93,301,908,646.56/352,787.58
  6. Step 6: Final answer
    x = 264,470.50

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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.