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Finding the Fourth Proportional to 353,838.53, 488,305.92 and 192,702.34

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Solution

The fourth proportional to 353,838.53, 488,305.92 and 192,702.34 is: 265,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,838.53 : 488,305.92 = 192,702.34 : x
  2. Step 2: Convert to fraction form
    353,838.53/488,305.92 = 192,702.34/x
  3. Step 3: Cross multiply
    353,838.53x = 488,305.92 × 192,702.34
  4. Step 4: Simplify right side
    353,838.53x = 94,097,693,668.92
  5. Step 5: Solve for x
    x = 94,097,693,668.92/353,838.53
  6. Step 6: Final answer
    x = 265,934.00

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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.