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Finding the Fourth Proportional to 352,881.83, 486,978.73 and 191,737.29

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Solution

The fourth proportional to 352,881.83, 486,978.73 and 191,737.29 is: 264,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,881.83 : 486,978.73 = 191,737.29 : x
  2. Step 2: Convert to fraction form
    352,881.83/486,978.73 = 191,737.29/x
  3. Step 3: Cross multiply
    352,881.83x = 486,978.73 × 191,737.29
  4. Step 4: Simplify right side
    352,881.83x = 93,371,984,403.19
  5. Step 5: Solve for x
    x = 93,371,984,403.19/352,881.83
  6. Step 6: Final answer
    x = 264,598.45

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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.