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Finding the Fourth Proportional to 353,802.96, 488,260.08 and 192,660.72

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Solution

The fourth proportional to 353,802.96, 488,260.08 and 192,660.72 is: 265,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,802.96 : 488,260.08 = 192,660.72 : x
  2. Step 2: Convert to fraction form
    353,802.96/488,260.08 = 192,660.72/x
  3. Step 3: Cross multiply
    353,802.96x = 488,260.08 × 192,660.72
  4. Step 4: Simplify right side
    353,802.96x = 94,068,538,560.06
  5. Step 5: Solve for x
    x = 94,068,538,560.06/353,802.96
  6. Step 6: Final answer
    x = 265,878.33

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1.5x scale

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.