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Finding the Fourth Proportional to 627,744.98, 866,277.87 and 341,272.22

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Solution

The fourth proportional to 627,744.98, 866,277.87 and 341,272.22 is: 470,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,744.98 : 866,277.87 = 341,272.22 : x
  2. Step 2: Convert to fraction form
    627,744.98/866,277.87 = 341,272.22/x
  3. Step 3: Cross multiply
    627,744.98x = 866,277.87 × 341,272.22
  4. Step 4: Simplify right side
    627,744.98x = 295,636,571,831.77
  5. Step 5: Solve for x
    x = 295,636,571,831.77/627,744.98
  6. Step 6: Final answer
    x = 470,950.12

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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.