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Finding the Fourth Proportional to 437,417.64, 656,126.47 and 104,993.64

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Solution

The fourth proportional to 437,417.64, 656,126.47 and 104,993.64 is: 157,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,417.64 : 656,126.47 = 104,993.64 : x
  2. Step 2: Convert to fraction form
    437,417.64/656,126.47 = 104,993.64/x
  3. Step 3: Cross multiply
    437,417.64x = 656,126.47 × 104,993.64
  4. Step 4: Simplify right side
    437,417.64x = 68,889,107,205.81
  5. Step 5: Solve for x
    x = 68,889,107,205.81/437,417.64
  6. Step 6: Final answer
    x = 157,490.46

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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.