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Finding the Fourth Proportional to 637,735.70, 956,658.62 and 164,417.06

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Solution

The fourth proportional to 637,735.70, 956,658.62 and 164,417.06 is: 246,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,735.70 : 956,658.62 = 164,417.06 : x
  2. Step 2: Convert to fraction form
    637,735.70/956,658.62 = 164,417.06/x
  3. Step 3: Cross multiply
    637,735.70x = 956,658.62 × 164,417.06
  4. Step 4: Simplify right side
    637,735.70x = 157,290,996,901.97
  5. Step 5: Solve for x
    x = 157,290,996,901.97/637,735.70
  6. Step 6: Final answer
    x = 246,639.79

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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.