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Finding the Fourth Proportional to 216,353.52, 298,373.86 and 180,174.76

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Solution

The fourth proportional to 216,353.52, 298,373.86 and 180,174.76 is: 248,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,353.52 : 298,373.86 = 180,174.76 : x
  2. Step 2: Convert to fraction form
    216,353.52/298,373.86 = 180,174.76/x
  3. Step 3: Cross multiply
    216,353.52x = 298,373.86 × 180,174.76
  4. Step 4: Simplify right side
    216,353.52x = 53,759,438,615.77
  5. Step 5: Solve for x
    x = 53,759,438,615.77/216,353.52
  6. Step 6: Final answer
    x = 248,479.61

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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.