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Finding the Fourth Proportional to 662,751.20, 914,596.74 and 360,945.20

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Solution

The fourth proportional to 662,751.20, 914,596.74 and 360,945.20 is: 498,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,751.20 : 914,596.74 = 360,945.20 : x
  2. Step 2: Convert to fraction form
    662,751.20/914,596.74 = 360,945.20/x
  3. Step 3: Cross multiply
    662,751.20x = 914,596.74 × 360,945.20
  4. Step 4: Simplify right side
    662,751.20x = 330,119,298,665.66
  5. Step 5: Solve for x
    x = 330,119,298,665.66/662,751.20
  6. Step 6: Final answer
    x = 498,104.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.