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Finding the Fourth Proportional to 297,005.30, 444,989.55 and 255,533.30

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Solution

The fourth proportional to 297,005.30, 444,989.55 and 255,533.30 is: 382,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,005.30 : 444,989.55 = 255,533.30 : x
  2. Step 2: Convert to fraction form
    297,005.30/444,989.55 = 255,533.30/x
  3. Step 3: Cross multiply
    297,005.30x = 444,989.55 × 255,533.30
  4. Step 4: Simplify right side
    297,005.30x = 113,709,648,177.02
  5. Step 5: Solve for x
    x = 113,709,648,177.02/297,005.30
  6. Step 6: Final answer
    x = 382,853.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.