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Finding the Fourth Proportional to 637,725.38, 956,643.14 and 164,406.74

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Solution

The fourth proportional to 637,725.38, 956,643.14 and 164,406.74 is: 246,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,725.38 : 956,643.14 = 164,406.74 : x
  2. Step 2: Convert to fraction form
    637,725.38/956,643.14 = 164,406.74/x
  3. Step 3: Cross multiply
    637,725.38x = 956,643.14 × 164,406.74
  4. Step 4: Simplify right side
    637,725.38x = 157,278,575,207.55
  5. Step 5: Solve for x
    x = 157,278,575,207.55/637,725.38
  6. Step 6: Final answer
    x = 246,624.30

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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.