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Finding the Fourth Proportional to 578,517.24, 798,383.34 and 323,853.24

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Solution

The fourth proportional to 578,517.24, 798,383.34 and 323,853.24 is: 446,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,517.24 : 798,383.34 = 323,853.24 : x
  2. Step 2: Convert to fraction form
    578,517.24/798,383.34 = 323,853.24/x
  3. Step 3: Cross multiply
    578,517.24x = 798,383.34 × 323,853.24
  4. Step 4: Simplify right side
    578,517.24x = 258,559,031,421.02
  5. Step 5: Solve for x
    x = 258,559,031,421.02/578,517.24
  6. Step 6: Final answer
    x = 446,934.01

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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.