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Finding the Fourth Proportional to 369,956.54, 554,935.08 and 89,474.06

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Solution

The fourth proportional to 369,956.54, 554,935.08 and 89,474.06 is: 134,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,956.54 : 554,935.08 = 89,474.06 : x
  2. Step 2: Convert to fraction form
    369,956.54/554,935.08 = 89,474.06/x
  3. Step 3: Cross multiply
    369,956.54x = 554,935.08 × 89,474.06
  4. Step 4: Simplify right side
    369,956.54x = 49,652,294,644.02
  5. Step 5: Solve for x
    x = 49,652,294,644.02/369,956.54
  6. Step 6: Final answer
    x = 134,211.16

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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.