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Finding the Fourth Proportional to 250,353.64, 376,317.78 and 217,483.03

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Solution

The fourth proportional to 250,353.64, 376,317.78 and 217,483.03 is: 326,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353.64 : 376,317.78 = 217,483.03 : x
  2. Step 2: Convert to fraction form
    250,353.64/376,317.78 = 217,483.03/x
  3. Step 3: Cross multiply
    250,353.64x = 376,317.78 × 217,483.03
  4. Step 4: Simplify right side
    250,353.64x = 81,842,731,037.27
  5. Step 5: Solve for x
    x = 81,842,731,037.27/250,353.64
  6. Step 6: Final answer
    x = 326,908.49

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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.