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Finding the Fourth Proportional to 356,464.53, 534,640.91 and 116,576.45

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Solution

The fourth proportional to 356,464.53, 534,640.91 and 116,576.45 is: 174,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,464.53 : 534,640.91 = 116,576.45 : x
  2. Step 2: Convert to fraction form
    356,464.53/534,640.91 = 116,576.45/x
  3. Step 3: Cross multiply
    356,464.53x = 534,640.91 × 116,576.45
  4. Step 4: Simplify right side
    356,464.53x = 62,326,539,312.57
  5. Step 5: Solve for x
    x = 62,326,539,312.57/356,464.53
  6. Step 6: Final answer
    x = 174,846.40

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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.