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Finding the Fourth Proportional to 436,157.60, 654,279.60 and 151,804.40

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Solution

The fourth proportional to 436,157.60, 654,279.60 and 151,804.40 is: 227,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,157.60 : 654,279.60 = 151,804.40 : x
  2. Step 2: Convert to fraction form
    436,157.60/654,279.60 = 151,804.40/x
  3. Step 3: Cross multiply
    436,157.60x = 654,279.60 × 151,804.40
  4. Step 4: Simplify right side
    436,157.60x = 99,322,522,110.24
  5. Step 5: Solve for x
    x = 99,322,522,110.24/436,157.60
  6. Step 6: Final answer
    x = 227,721.64

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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.