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Finding the Fourth Proportional to 374,287.92, 516,370.86 and 230,798.85

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Solution

The fourth proportional to 374,287.92, 516,370.86 and 230,798.85 is: 318,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,287.92 : 516,370.86 = 230,798.85 : x
  2. Step 2: Convert to fraction form
    374,287.92/516,370.86 = 230,798.85/x
  3. Step 3: Cross multiply
    374,287.92x = 516,370.86 × 230,798.85
  4. Step 4: Simplify right side
    374,287.92x = 119,177,800,661.51
  5. Step 5: Solve for x
    x = 119,177,800,661.51/374,287.92
  6. Step 6: Final answer
    x = 318,412.09

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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.