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Finding the Fourth Proportional to 341,710.90, 512,566.35 and 304,969.30

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Solution

The fourth proportional to 341,710.90, 512,566.35 and 304,969.30 is: 457,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,710.90 : 512,566.35 = 304,969.30 : x
  2. Step 2: Convert to fraction form
    341,710.90/512,566.35 = 304,969.30/x
  3. Step 3: Cross multiply
    341,710.90x = 512,566.35 × 304,969.30
  4. Step 4: Simplify right side
    341,710.90x = 156,317,000,963.06
  5. Step 5: Solve for x
    x = 156,317,000,963.06/341,710.90
  6. Step 6: Final answer
    x = 457,453.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.