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Finding the Fourth Proportional to 605,027.52, 907,541.28 and 161,784

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Solution

The fourth proportional to 605,027.52, 907,541.28 and 161,784 is: 242,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,027.52 : 907,541.28 = 161,784 : x
  2. Step 2: Convert to fraction form
    605,027.52/907,541.28 = 161,784/x
  3. Step 3: Cross multiply
    605,027.52x = 907,541.28 × 161,784
  4. Step 4: Simplify right side
    605,027.52x = 146,825,658,443.52
  5. Step 5: Solve for x
    x = 146,825,658,443.52/605,027.52
  6. Step 6: Final answer
    x = 242,676.00

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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.