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Finding the Fourth Proportional to 627,612.63, 866,102.18 and 341,134.26

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Solution

The fourth proportional to 627,612.63, 866,102.18 and 341,134.26 is: 470,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,612.63 : 866,102.18 = 341,134.26 : x
  2. Step 2: Convert to fraction form
    627,612.63/866,102.18 = 341,134.26/x
  3. Step 3: Cross multiply
    627,612.63x = 866,102.18 × 341,134.26
  4. Step 4: Simplify right side
    627,612.63x = 295,457,126,258.69
  5. Step 5: Solve for x
    x = 295,457,126,258.69/627,612.63
  6. Step 6: Final answer
    x = 470,763.51

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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.