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Finding the Fourth Proportional to 540,059.16, 745,325.24 and 298,362.86

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Solution

The fourth proportional to 540,059.16, 745,325.24 and 298,362.86 is: 411,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,059.16 : 745,325.24 = 298,362.86 : x
  2. Step 2: Convert to fraction form
    540,059.16/745,325.24 = 298,362.86/x
  3. Step 3: Cross multiply
    540,059.16x = 745,325.24 × 298,362.86
  4. Step 4: Simplify right side
    540,059.16x = 222,377,370,236.59
  5. Step 5: Solve for x
    x = 222,377,370,236.59/540,059.16
  6. Step 6: Final answer
    x = 411,764.83

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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.