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Finding the Fourth Proportional to 369,394.44, 554,123.10 and 116,607.30

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Solution

The fourth proportional to 369,394.44, 554,123.10 and 116,607.30 is: 174,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,394.44 : 554,123.10 = 116,607.30 : x
  2. Step 2: Convert to fraction form
    369,394.44/554,123.10 = 116,607.30/x
  3. Step 3: Cross multiply
    369,394.44x = 554,123.10 × 116,607.30
  4. Step 4: Simplify right side
    369,394.44x = 64,614,798,558.63
  5. Step 5: Solve for x
    x = 64,614,798,558.63/369,394.44
  6. Step 6: Final answer
    x = 174,920.87

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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.