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Finding the Fourth Proportional to 369,658.02, 554,405.30 and 103,346.94

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Solution

The fourth proportional to 369,658.02, 554,405.30 and 103,346.94 is: 154,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,658.02 : 554,405.30 = 103,346.94 : x
  2. Step 2: Convert to fraction form
    369,658.02/554,405.30 = 103,346.94/x
  3. Step 3: Cross multiply
    369,658.02x = 554,405.30 × 103,346.94
  4. Step 4: Simplify right side
    369,658.02x = 57,296,091,274.78
  5. Step 5: Solve for x
    x = 57,296,091,274.78/369,658.02
  6. Step 6: Final answer
    x = 154,997.56

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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.