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Finding the Fourth Proportional to 627,741.34, 866,246.26 and 341,258.92

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Solution

The fourth proportional to 627,741.34, 866,246.26 and 341,258.92 is: 470,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,741.34 : 866,246.26 = 341,258.92 : x
  2. Step 2: Convert to fraction form
    627,741.34/866,246.26 = 341,258.92/x
  3. Step 3: Cross multiply
    627,741.34x = 866,246.26 × 341,258.92
  4. Step 4: Simplify right side
    627,741.34x = 295,614,263,346.74
  5. Step 5: Solve for x
    x = 295,614,263,346.74/627,741.34
  6. Step 6: Final answer
    x = 470,917.31

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Double scale
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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.