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Finding the Fourth Proportional to 575,491, 863,586.44 and 243,067

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Solution

The fourth proportional to 575,491, 863,586.44 and 243,067 is: 364,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,491 : 863,586.44 = 243,067 : x
  2. Step 2: Convert to fraction form
    575,491/863,586.44 = 243,067/x
  3. Step 3: Cross multiply
    575,491x = 863,586.44 × 243,067
  4. Step 4: Simplify right side
    575,491x = 209,909,365,211.48
  5. Step 5: Solve for x
    x = 209,909,365,211.48/575,491
  6. Step 6: Final answer
    x = 364,748.30

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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.