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Finding the Fourth Proportional to 514,175.36, 709,379.52 and 335,016.32

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Solution

The fourth proportional to 514,175.36, 709,379.52 and 335,016.32 is: 462,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,175.36 : 709,379.52 = 335,016.32 : x
  2. Step 2: Convert to fraction form
    514,175.36/709,379.52 = 335,016.32/x
  3. Step 3: Cross multiply
    514,175.36x = 709,379.52 × 335,016.32
  4. Step 4: Simplify right side
    514,175.36x = 237,653,716,273.77
  5. Step 5: Solve for x
    x = 237,653,716,273.77/514,175.36
  6. Step 6: Final answer
    x = 462,203.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.