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Finding the Fourth Proportional to 370,584.66, 555,871.12 and 117,861.50

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Solution

The fourth proportional to 370,584.66, 555,871.12 and 117,861.50 is: 176,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,584.66 : 555,871.12 = 117,861.50 : x
  2. Step 2: Convert to fraction form
    370,584.66/555,871.12 = 117,861.50/x
  3. Step 3: Cross multiply
    370,584.66x = 555,871.12 × 117,861.50
  4. Step 4: Simplify right side
    370,584.66x = 65,515,804,009.88
  5. Step 5: Solve for x
    x = 65,515,804,009.88/370,584.66
  6. Step 6: Final answer
    x = 176,790.38

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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.