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Finding the Fourth Proportional to 368,203.35, 508,061.35 and 207,048.79

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Solution

The fourth proportional to 368,203.35, 508,061.35 and 207,048.79 is: 285,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,203.35 : 508,061.35 = 207,048.79 : x
  2. Step 2: Convert to fraction form
    368,203.35/508,061.35 = 207,048.79/x
  3. Step 3: Cross multiply
    368,203.35x = 508,061.35 × 207,048.79
  4. Step 4: Simplify right side
    368,203.35x = 105,193,487,880.72
  5. Step 5: Solve for x
    x = 105,193,487,880.72/368,203.35
  6. Step 6: Final answer
    x = 285,694.00

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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.