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Finding the Fourth Proportional to 250,319.81, 374,823.54 and 171,587.81

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Solution

The fourth proportional to 250,319.81, 374,823.54 and 171,587.81 is: 256,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,319.81 : 374,823.54 = 171,587.81 : x
  2. Step 2: Convert to fraction form
    250,319.81/374,823.54 = 171,587.81/x
  3. Step 3: Cross multiply
    250,319.81x = 374,823.54 × 171,587.81
  4. Step 4: Simplify right side
    250,319.81x = 64,315,148,490.93
  5. Step 5: Solve for x
    x = 64,315,148,490.93/250,319.81
  6. Step 6: Final answer
    x = 256,931.92

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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.