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Finding the Fourth Proportional to 513,012.56, 769,601.52 and 158,026.23

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Solution

The fourth proportional to 513,012.56, 769,601.52 and 158,026.23 is: 237,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,012.56 : 769,601.52 = 158,026.23 : x
  2. Step 2: Convert to fraction form
    513,012.56/769,601.52 = 158,026.23/x
  3. Step 3: Cross multiply
    513,012.56x = 769,601.52 × 158,026.23
  4. Step 4: Simplify right side
    513,012.56x = 121,617,226,807.87
  5. Step 5: Solve for x
    x = 121,617,226,807.87/513,012.56
  6. Step 6: Final answer
    x = 237,064.82

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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.