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Finding the Fourth Proportional to 517,619.74, 776,165.37 and 236,896.30

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Solution

The fourth proportional to 517,619.74, 776,165.37 and 236,896.30 is: 355,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,619.74 : 776,165.37 = 236,896.30 : x
  2. Step 2: Convert to fraction form
    517,619.74/776,165.37 = 236,896.30/x
  3. Step 3: Cross multiply
    517,619.74x = 776,165.37 × 236,896.30
  4. Step 4: Simplify right side
    517,619.74x = 183,870,704,341.13
  5. Step 5: Solve for x
    x = 183,870,704,341.13/517,619.74
  6. Step 6: Final answer
    x = 355,223.52

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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.