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Finding the Fourth Proportional to 341,328.94, 471,034.14 and 190,425.94

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Solution

The fourth proportional to 341,328.94, 471,034.14 and 190,425.94 is: 262,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,328.94 : 471,034.14 = 190,425.94 : x
  2. Step 2: Convert to fraction form
    341,328.94/471,034.14 = 190,425.94/x
  3. Step 3: Cross multiply
    341,328.94x = 471,034.14 × 190,425.94
  4. Step 4: Simplify right side
    341,328.94x = 89,697,116,989.91
  5. Step 5: Solve for x
    x = 89,697,116,989.91/341,328.94
  6. Step 6: Final answer
    x = 262,787.91

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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.