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Finding the Fourth Proportional to 301,590.98, 451,697.26 and 143,930.16

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Solution

The fourth proportional to 301,590.98, 451,697.26 and 143,930.16 is: 215,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,590.98 : 451,697.26 = 143,930.16 : x
  2. Step 2: Convert to fraction form
    301,590.98/451,697.26 = 143,930.16/x
  3. Step 3: Cross multiply
    301,590.98x = 451,697.26 × 143,930.16
  4. Step 4: Simplify right side
    301,590.98x = 65,012,858,903.36
  5. Step 5: Solve for x
    x = 65,012,858,903.36/301,590.98
  6. Step 6: Final answer
    x = 215,566.32

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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.