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Finding the Fourth Proportional to 288,558.27, 398,465.74 and 179,848.13

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Solution

The fourth proportional to 288,558.27, 398,465.74 and 179,848.13 is: 248,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,558.27 : 398,465.74 = 179,848.13 : x
  2. Step 2: Convert to fraction form
    288,558.27/398,465.74 = 179,848.13/x
  3. Step 3: Cross multiply
    288,558.27x = 398,465.74 × 179,848.13
  4. Step 4: Simplify right side
    288,558.27x = 71,663,320,615.86
  5. Step 5: Solve for x
    x = 71,663,320,615.86/288,558.27
  6. Step 6: Final answer
    x = 248,349.57

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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.