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Finding the Fourth Proportional to 375,203.86, 562,216.07 and 290,023.25

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Solution

The fourth proportional to 375,203.86, 562,216.07 and 290,023.25 is: 434,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,203.86 : 562,216.07 = 290,023.25 : x
  2. Step 2: Convert to fraction form
    375,203.86/562,216.07 = 290,023.25/x
  3. Step 3: Cross multiply
    375,203.86x = 562,216.07 × 290,023.25
  4. Step 4: Simplify right side
    375,203.86x = 163,055,729,012.55
  5. Step 5: Solve for x
    x = 163,055,729,012.55/375,203.86
  6. Step 6: Final answer
    x = 434,579.03

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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.