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Finding the Fourth Proportional to 624,950.85, 862,427.88 and 338,464.38

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Solution

The fourth proportional to 624,950.85, 862,427.88 and 338,464.38 is: 467,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,950.85 : 862,427.88 = 338,464.38 : x
  2. Step 2: Convert to fraction form
    624,950.85/862,427.88 = 338,464.38/x
  3. Step 3: Cross multiply
    624,950.85x = 862,427.88 × 338,464.38
  4. Step 4: Simplify right side
    624,950.85x = 291,901,117,698.91
  5. Step 5: Solve for x
    x = 291,901,117,698.91/624,950.85
  6. Step 6: Final answer
    x = 467,078.52

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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.