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Finding the Fourth Proportional to 578,699.98, 798,597.22 and 324,060.28

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Solution

The fourth proportional to 578,699.98, 798,597.22 and 324,060.28 is: 447,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,699.98 : 798,597.22 = 324,060.28 : x
  2. Step 2: Convert to fraction form
    578,699.98/798,597.22 = 324,060.28/x
  3. Step 3: Cross multiply
    578,699.98x = 798,597.22 × 324,060.28
  4. Step 4: Simplify right side
    578,699.98x = 258,793,638,720.42
  5. Step 5: Solve for x
    x = 258,793,638,720.42/578,699.98
  6. Step 6: Final answer
    x = 447,198.29

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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.