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Finding the Fourth Proportional to 627,534.74, 866,004.65 and 341,054.84

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Solution

The fourth proportional to 627,534.74, 866,004.65 and 341,054.84 is: 470,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,534.74 : 866,004.65 = 341,054.84 : x
  2. Step 2: Convert to fraction form
    627,534.74/866,004.65 = 341,054.84/x
  3. Step 3: Cross multiply
    627,534.74x = 866,004.65 × 341,054.84
  4. Step 4: Simplify right side
    627,534.74x = 295,355,077,345.01
  5. Step 5: Solve for x
    x = 295,355,077,345.01/627,534.74
  6. Step 6: Final answer
    x = 470,659.33

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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.