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Finding the Fourth Proportional to 250,216.20, 375,324.30 and 243,655.20

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Solution

The fourth proportional to 250,216.20, 375,324.30 and 243,655.20 is: 365,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,216.20 : 375,324.30 = 243,655.20 : x
  2. Step 2: Convert to fraction form
    250,216.20/375,324.30 = 243,655.20/x
  3. Step 3: Cross multiply
    250,216.20x = 375,324.30 × 243,655.20
  4. Step 4: Simplify right side
    250,216.20x = 91,449,717,381.36
  5. Step 5: Solve for x
    x = 91,449,717,381.36/250,216.20
  6. Step 6: Final answer
    x = 365,482.80

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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.