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Finding the Fourth Proportional to 493,502.86, 740,258.61 and 119,526.22

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Solution

The fourth proportional to 493,502.86, 740,258.61 and 119,526.22 is: 179,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,502.86 : 740,258.61 = 119,526.22 : x
  2. Step 2: Convert to fraction form
    493,502.86/740,258.61 = 119,526.22/x
  3. Step 3: Cross multiply
    493,502.86x = 740,258.61 × 119,526.22
  4. Step 4: Simplify right side
    493,502.86x = 88,480,313,475.75
  5. Step 5: Solve for x
    x = 88,480,313,475.75/493,502.86
  6. Step 6: Final answer
    x = 179,290.38

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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.