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Finding the Fourth Proportional to 450,633.42, 621,875.82 and 246,703.31

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Solution

The fourth proportional to 450,633.42, 621,875.82 and 246,703.31 is: 340,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,633.42 : 621,875.82 = 246,703.31 : x
  2. Step 2: Convert to fraction form
    450,633.42/621,875.82 = 246,703.31/x
  3. Step 3: Cross multiply
    450,633.42x = 621,875.82 × 246,703.31
  4. Step 4: Simplify right side
    450,633.42x = 153,418,820,093.59
  5. Step 5: Solve for x
    x = 153,418,820,093.59/450,633.42
  6. Step 6: Final answer
    x = 340,451.49

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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.