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Finding the Fourth Proportional to 627,776.33, 866,321.06 and 341,303.63

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Solution

The fourth proportional to 627,776.33, 866,321.06 and 341,303.63 is: 470,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,776.33 : 866,321.06 = 341,303.63 : x
  2. Step 2: Convert to fraction form
    627,776.33/866,321.06 = 341,303.63/x
  3. Step 3: Cross multiply
    627,776.33x = 866,321.06 × 341,303.63
  4. Step 4: Simplify right side
    627,776.33x = 295,678,516,485.32
  5. Step 5: Solve for x
    x = 295,678,516,485.32/627,776.33
  6. Step 6: Final answer
    x = 470,993.42

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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.