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Finding the Fourth Proportional to 365,889.20, 549,179.40 and 225,921.20

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Solution

The fourth proportional to 365,889.20, 549,179.40 and 225,921.20 is: 339,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,889.20 : 549,179.40 = 225,921.20 : x
  2. Step 2: Convert to fraction form
    365,889.20/549,179.40 = 225,921.20/x
  3. Step 3: Cross multiply
    365,889.20x = 549,179.40 × 225,921.20
  4. Step 4: Simplify right side
    365,889.20x = 124,071,269,063.28
  5. Step 5: Solve for x
    x = 124,071,269,063.28/365,889.20
  6. Step 6: Final answer
    x = 339,095.19

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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.