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Finding the Fourth Proportional to 361,030.62, 498,274.73 and 208,039.04

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Solution

The fourth proportional to 361,030.62, 498,274.73 and 208,039.04 is: 287,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,030.62 : 498,274.73 = 208,039.04 : x
  2. Step 2: Convert to fraction form
    361,030.62/498,274.73 = 208,039.04/x
  3. Step 3: Cross multiply
    361,030.62x = 498,274.73 × 208,039.04
  4. Step 4: Simplify right side
    361,030.62x = 103,660,592,953.89
  5. Step 5: Solve for x
    x = 103,660,592,953.89/361,030.62
  6. Step 6: Final answer
    x = 287,124.10

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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.