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Finding the Fourth Proportional to 627,733.18, 866,277.92 and 341,259.40

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Solution

The fourth proportional to 627,733.18, 866,277.92 and 341,259.40 is: 470,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,733.18 : 866,277.92 = 341,259.40 : x
  2. Step 2: Convert to fraction form
    627,733.18/866,277.92 = 341,259.40/x
  3. Step 3: Cross multiply
    627,733.18x = 866,277.92 × 341,259.40
  4. Step 4: Simplify right side
    627,733.18x = 295,625,483,212.45
  5. Step 5: Solve for x
    x = 295,625,483,212.45/627,733.18
  6. Step 6: Final answer
    x = 470,941.31

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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.