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Finding the Fourth Proportional to 627,612.84, 866,114.55 and 341,132.94

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Solution

The fourth proportional to 627,612.84, 866,114.55 and 341,132.94 is: 470,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,612.84 : 866,114.55 = 341,132.94 : x
  2. Step 2: Convert to fraction form
    627,612.84/866,114.55 = 341,132.94/x
  3. Step 3: Cross multiply
    627,612.84x = 866,114.55 × 341,132.94
  4. Step 4: Simplify right side
    627,612.84x = 295,460,202,818.28
  5. Step 5: Solve for x
    x = 295,460,202,818.28/627,612.84
  6. Step 6: Final answer
    x = 470,768.26

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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.