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Finding the Fourth Proportional to 578,418.31, 798,225.42 and 333,267.58

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Solution

The fourth proportional to 578,418.31, 798,225.42 and 333,267.58 is: 459,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,418.31 : 798,225.42 = 333,267.58 : x
  2. Step 2: Convert to fraction form
    578,418.31/798,225.42 = 333,267.58/x
  3. Step 3: Cross multiply
    578,418.31x = 798,225.42 × 333,267.58
  4. Step 4: Simplify right side
    578,418.31x = 266,022,654,017.88
  5. Step 5: Solve for x
    x = 266,022,654,017.88/578,418.31
  6. Step 6: Final answer
    x = 459,913.96

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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.