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Finding the Fourth Proportional to 555,975.64, 834,012.42 and 156,619.72

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Solution

The fourth proportional to 555,975.64, 834,012.42 and 156,619.72 is: 234,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,975.64 : 834,012.42 = 156,619.72 : x
  2. Step 2: Convert to fraction form
    555,975.64/834,012.42 = 156,619.72/x
  3. Step 3: Cross multiply
    555,975.64x = 834,012.42 × 156,619.72
  4. Step 4: Simplify right side
    555,975.64x = 130,622,791,696.92
  5. Step 5: Solve for x
    x = 130,622,791,696.92/555,975.64
  6. Step 6: Final answer
    x = 234,943.37

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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.