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Finding the Fourth Proportional to 575,441.82, 863,694.50 and 291,332.09

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Solution

The fourth proportional to 575,441.82, 863,694.50 and 291,332.09 is: 437,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,441.82 : 863,694.50 = 291,332.09 : x
  2. Step 2: Convert to fraction form
    575,441.82/863,694.50 = 291,332.09/x
  3. Step 3: Cross multiply
    575,441.82x = 863,694.50 × 291,332.09
  4. Step 4: Simplify right side
    575,441.82x = 251,621,924,509.08
  5. Step 5: Solve for x
    x = 251,621,924,509.08/575,441.82
  6. Step 6: Final answer
    x = 437,267.36

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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.