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Finding the Fourth Proportional to 369,183.40, 553,613.10 and 169,437.40

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Solution

The fourth proportional to 369,183.40, 553,613.10 and 169,437.40 is: 254,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,183.40 : 553,613.10 = 169,437.40 : x
  2. Step 2: Convert to fraction form
    369,183.40/553,613.10 = 169,437.40/x
  3. Step 3: Cross multiply
    369,183.40x = 553,613.10 × 169,437.40
  4. Step 4: Simplify right side
    369,183.40x = 93,802,764,269.94
  5. Step 5: Solve for x
    x = 93,802,764,269.94/369,183.40
  6. Step 6: Final answer
    x = 254,081.75

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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.