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Finding the Fourth Proportional to 574,048.44, 860,643.72 and 396,047.52

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Solution

The fourth proportional to 574,048.44, 860,643.72 and 396,047.52 is: 593,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,048.44 : 860,643.72 = 396,047.52 : x
  2. Step 2: Convert to fraction form
    574,048.44/860,643.72 = 396,047.52/x
  3. Step 3: Cross multiply
    574,048.44x = 860,643.72 × 396,047.52
  4. Step 4: Simplify right side
    574,048.44x = 340,855,810,909.57
  5. Step 5: Solve for x
    x = 340,855,810,909.57/574,048.44
  6. Step 6: Final answer
    x = 593,775.35

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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.