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Finding the Fourth Proportional to 365,015.20, 546,601.20 and 291,287.20

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Solution

The fourth proportional to 365,015.20, 546,601.20 and 291,287.20 is: 436,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,015.20 : 546,601.20 = 291,287.20 : x
  2. Step 2: Convert to fraction form
    365,015.20/546,601.20 = 291,287.20/x
  3. Step 3: Cross multiply
    365,015.20x = 546,601.20 × 291,287.20
  4. Step 4: Simplify right side
    365,015.20x = 159,217,933,064.64
  5. Step 5: Solve for x
    x = 159,217,933,064.64/365,015.20
  6. Step 6: Final answer
    x = 436,195.35

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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.