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Finding the Fourth Proportional to 369,548.81, 554,318.34 and 89,063.63

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Solution

The fourth proportional to 369,548.81, 554,318.34 and 89,063.63 is: 133,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,548.81 : 554,318.34 = 89,063.63 : x
  2. Step 2: Convert to fraction form
    369,548.81/554,318.34 = 89,063.63/x
  3. Step 3: Cross multiply
    369,548.81x = 554,318.34 × 89,063.63
  4. Step 4: Simplify right side
    369,548.81x = 49,369,600,764.38
  5. Step 5: Solve for x
    x = 49,369,600,764.38/369,548.81
  6. Step 6: Final answer
    x = 133,594.26

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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.