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Finding the Fourth Proportional to 369,384.60, 554,162.49 and 116,690.16

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Solution

The fourth proportional to 369,384.60, 554,162.49 and 116,690.16 is: 175,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,384.60 : 554,162.49 = 116,690.16 : x
  2. Step 2: Convert to fraction form
    369,384.60/554,162.49 = 116,690.16/x
  3. Step 3: Cross multiply
    369,384.60x = 554,162.49 × 116,690.16
  4. Step 4: Simplify right side
    369,384.60x = 64,665,309,624.10
  5. Step 5: Solve for x
    x = 64,665,309,624.10/369,384.60
  6. Step 6: Final answer
    x = 175,062.28

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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.