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Finding the Fourth Proportional to 353,590.94, 487,954.04 and 192,445.97

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Solution

The fourth proportional to 353,590.94, 487,954.04 and 192,445.97 is: 265,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,590.94 : 487,954.04 = 192,445.97 : x
  2. Step 2: Convert to fraction form
    353,590.94/487,954.04 = 192,445.97/x
  3. Step 3: Cross multiply
    353,590.94x = 487,954.04 × 192,445.97
  4. Step 4: Simplify right side
    353,590.94x = 93,904,785,141.22
  5. Step 5: Solve for x
    x = 93,904,785,141.22/353,590.94
  6. Step 6: Final answer
    x = 265,574.64

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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.