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Finding the Fourth Proportional to 627,801.18, 866,347.83 and 341,314.62

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Solution

The fourth proportional to 627,801.18, 866,347.83 and 341,314.62 is: 471,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,801.18 : 866,347.83 = 341,314.62 : x
  2. Step 2: Convert to fraction form
    627,801.18/866,347.83 = 341,314.62/x
  3. Step 3: Cross multiply
    627,801.18x = 866,347.83 × 341,314.62
  4. Step 4: Simplify right side
    627,801.18x = 295,697,180,384.28
  5. Step 5: Solve for x
    x = 295,697,180,384.28/627,801.18
  6. Step 6: Final answer
    x = 471,004.50

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1.5x scale

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.