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Finding the Fourth Proportional to 361,043.43, 498,173.54 and 208,060.17

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Solution

The fourth proportional to 361,043.43, 498,173.54 and 208,060.17 is: 287,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,043.43 : 498,173.54 = 208,060.17 : x
  2. Step 2: Convert to fraction form
    361,043.43/498,173.54 = 208,060.17/x
  3. Step 3: Cross multiply
    361,043.43x = 498,173.54 × 208,060.17
  4. Step 4: Simplify right side
    361,043.43x = 103,650,070,381.60
  5. Step 5: Solve for x
    x = 103,650,070,381.60/361,043.43
  6. Step 6: Final answer
    x = 287,084.77

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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.