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Finding the Fourth Proportional to 422,796.76, 583,483.40 and 250,816.55

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Solution

The fourth proportional to 422,796.76, 583,483.40 and 250,816.55 is: 346,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,796.76 : 583,483.40 = 250,816.55 : x
  2. Step 2: Convert to fraction form
    422,796.76/583,483.40 = 250,816.55/x
  3. Step 3: Cross multiply
    422,796.76x = 583,483.40 × 250,816.55
  4. Step 4: Simplify right side
    422,796.76x = 146,347,293,421.43
  5. Step 5: Solve for x
    x = 146,347,293,421.43/422,796.76
  6. Step 6: Final answer
    x = 346,141.00

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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.