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Finding the Fourth Proportional to 369,177.35, 509,464.94 and 199,411.47

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Solution

The fourth proportional to 369,177.35, 509,464.94 and 199,411.47 is: 275,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,177.35 : 509,464.94 = 199,411.47 : x
  2. Step 2: Convert to fraction form
    369,177.35/509,464.94 = 199,411.47/x
  3. Step 3: Cross multiply
    369,177.35x = 509,464.94 × 199,411.47
  4. Step 4: Simplify right side
    369,177.35x = 101,593,152,598.86
  5. Step 5: Solve for x
    x = 101,593,152,598.86/369,177.35
  6. Step 6: Final answer
    x = 275,187.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.