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Finding the Fourth Proportional to 374,383.72, 516,650.88 and 204,617.92

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Solution

The fourth proportional to 374,383.72, 516,650.88 and 204,617.92 is: 282,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,383.72 : 516,650.88 = 204,617.92 : x
  2. Step 2: Convert to fraction form
    374,383.72/516,650.88 = 204,617.92/x
  3. Step 3: Cross multiply
    374,383.72x = 516,650.88 × 204,617.92
  4. Step 4: Simplify right side
    374,383.72x = 105,716,028,431.77
  5. Step 5: Solve for x
    x = 105,716,028,431.77/374,383.72
  6. Step 6: Final answer
    x = 282,373.47

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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.