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Finding the Fourth Proportional to 369,247.60, 553,863.30 and 103,000.60

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Solution

The fourth proportional to 369,247.60, 553,863.30 and 103,000.60 is: 154,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,247.60 : 553,863.30 = 103,000.60 : x
  2. Step 2: Convert to fraction form
    369,247.60/553,863.30 = 103,000.60/x
  3. Step 3: Cross multiply
    369,247.60x = 553,863.30 × 103,000.60
  4. Step 4: Simplify right side
    369,247.60x = 57,048,252,217.98
  5. Step 5: Solve for x
    x = 57,048,252,217.98/369,247.60
  6. Step 6: Final answer
    x = 154,498.64

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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.