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Finding the Fourth Proportional to 301,415.60, 451,734.60 and 230,945.60

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Solution

The fourth proportional to 301,415.60, 451,734.60 and 230,945.60 is: 346,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,415.60 : 451,734.60 = 230,945.60 : x
  2. Step 2: Convert to fraction form
    301,415.60/451,734.60 = 230,945.60/x
  3. Step 3: Cross multiply
    301,415.60x = 451,734.60 × 230,945.60
  4. Step 4: Simplify right side
    301,415.60x = 104,326,118,237.76
  5. Step 5: Solve for x
    x = 104,326,118,237.76/301,415.60
  6. Step 6: Final answer
    x = 346,120.50

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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.