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Finding the Fourth Proportional to 369,508.44, 554,263.82 and 103,267.20

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Solution

The fourth proportional to 369,508.44, 554,263.82 and 103,267.20 is: 154,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,508.44 : 554,263.82 = 103,267.20 : x
  2. Step 2: Convert to fraction form
    369,508.44/554,263.82 = 103,267.20/x
  3. Step 3: Cross multiply
    369,508.44x = 554,263.82 × 103,267.20
  4. Step 4: Simplify right side
    369,508.44x = 57,237,272,752.70
  5. Step 5: Solve for x
    x = 57,237,272,752.70/369,508.44
  6. Step 6: Final answer
    x = 154,901.12

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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.