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Finding the Fourth Proportional to 437,417.72, 656,126.58 and 104,993.72

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Solution

The fourth proportional to 437,417.72, 656,126.58 and 104,993.72 is: 157,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,417.72 : 656,126.58 = 104,993.72 : x
  2. Step 2: Convert to fraction form
    437,417.72/656,126.58 = 104,993.72/x
  3. Step 3: Cross multiply
    437,417.72x = 656,126.58 × 104,993.72
  4. Step 4: Simplify right side
    437,417.72x = 68,889,169,998.65
  5. Step 5: Solve for x
    x = 68,889,169,998.65/437,417.72
  6. Step 6: Final answer
    x = 157,490.58

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Similar ratio
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1.5x scale

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.