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Finding the Fourth Proportional to 353,030.84, 487,179.88 and 191,887.04

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Solution

The fourth proportional to 353,030.84, 487,179.88 and 191,887.04 is: 264,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.84 : 487,179.88 = 191,887.04 : x
  2. Step 2: Convert to fraction form
    353,030.84/487,179.88 = 191,887.04/x
  3. Step 3: Cross multiply
    353,030.84x = 487,179.88 × 191,887.04
  4. Step 4: Simplify right side
    353,030.84x = 93,483,504,073.54
  5. Step 5: Solve for x
    x = 93,483,504,073.54/353,030.84
  6. Step 6: Final answer
    x = 264,802.66

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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.