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Finding the Fourth Proportional to 368,602.45, 508,687.75 and 207,467.94

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Solution

The fourth proportional to 368,602.45, 508,687.75 and 207,467.94 is: 286,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,602.45 : 508,687.75 = 207,467.94 : x
  2. Step 2: Convert to fraction form
    368,602.45/508,687.75 = 207,467.94/x
  3. Step 3: Cross multiply
    368,602.45x = 508,687.75 × 207,467.94
  4. Step 4: Simplify right side
    368,602.45x = 105,536,399,595.74
  5. Step 5: Solve for x
    x = 105,536,399,595.74/368,602.45
  6. Step 6: Final answer
    x = 286,314.97

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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.