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Finding the Fourth Proportional to 368,392.62, 508,340.52 and 207,244.32

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Solution

The fourth proportional to 368,392.62, 508,340.52 and 207,244.32 is: 285,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,392.62 : 508,340.52 = 207,244.32 : x
  2. Step 2: Convert to fraction form
    368,392.62/508,340.52 = 207,244.32/x
  3. Step 3: Cross multiply
    368,392.62x = 508,340.52 × 207,244.32
  4. Step 4: Simplify right side
    368,392.62x = 105,350,685,395.85
  5. Step 5: Solve for x
    x = 105,350,685,395.85/368,392.62
  6. Step 6: Final answer
    x = 285,973.93

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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.