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Finding the Fourth Proportional to 578,324.80, 867,616.80 and 223,307.20

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Solution

The fourth proportional to 578,324.80, 867,616.80 and 223,307.20 is: 335,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,324.80 : 867,616.80 = 223,307.20 : x
  2. Step 2: Convert to fraction form
    578,324.80/867,616.80 = 223,307.20/x
  3. Step 3: Cross multiply
    578,324.80x = 867,616.80 × 223,307.20
  4. Step 4: Simplify right side
    578,324.80x = 193,745,078,280.96
  5. Step 5: Solve for x
    x = 193,745,078,280.96/578,324.80
  6. Step 6: Final answer
    x = 335,010.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.