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Finding the Fourth Proportional to 353,032.68, 487,170.78 and 191,883.98

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Solution

The fourth proportional to 353,032.68, 487,170.78 and 191,883.98 is: 264,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,032.68 : 487,170.78 = 191,883.98 : x
  2. Step 2: Convert to fraction form
    353,032.68/487,170.78 = 191,883.98/x
  3. Step 3: Cross multiply
    353,032.68x = 487,170.78 × 191,883.98
  4. Step 4: Simplify right side
    353,032.68x = 93,480,268,206.10
  5. Step 5: Solve for x
    x = 93,480,268,206.10/353,032.68
  6. Step 6: Final answer
    x = 264,792.11

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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.