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Finding the Fourth Proportional to 369,450.60, 554,095.46 and 99,572.44

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Solution

The fourth proportional to 369,450.60, 554,095.46 and 99,572.44 is: 149,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,450.60 : 554,095.46 = 99,572.44 : x
  2. Step 2: Convert to fraction form
    369,450.60/554,095.46 = 99,572.44/x
  3. Step 3: Cross multiply
    369,450.60x = 554,095.46 × 99,572.44
  4. Step 4: Simplify right side
    369,450.60x = 55,172,636,945.12
  5. Step 5: Solve for x
    x = 55,172,636,945.12/369,450.60
  6. Step 6: Final answer
    x = 149,336.98

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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.