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Finding the Fourth Proportional to 369,626.67, 554,508.30 and 116,970.72

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Solution

The fourth proportional to 369,626.67, 554,508.30 and 116,970.72 is: 175,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,626.67 : 554,508.30 = 116,970.72 : x
  2. Step 2: Convert to fraction form
    369,626.67/554,508.30 = 116,970.72/x
  3. Step 3: Cross multiply
    369,626.67x = 554,508.30 × 116,970.72
  4. Step 4: Simplify right side
    369,626.67x = 64,861,235,096.98
  5. Step 5: Solve for x
    x = 64,861,235,096.98/369,626.67
  6. Step 6: Final answer
    x = 175,477.69

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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.