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Finding the Fourth Proportional to 637,737.95, 956,661.99 and 164,419.31

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Solution

The fourth proportional to 637,737.95, 956,661.99 and 164,419.31 is: 246,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,737.95 : 956,661.99 = 164,419.31 : x
  2. Step 2: Convert to fraction form
    637,737.95/956,661.99 = 164,419.31/x
  3. Step 3: Cross multiply
    637,737.95x = 956,661.99 × 164,419.31
  4. Step 4: Simplify right side
    637,737.95x = 157,293,704,299.03
  5. Step 5: Solve for x
    x = 157,293,704,299.03/637,737.95
  6. Step 6: Final answer
    x = 246,643.16

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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.