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Finding the Fourth Proportional to 544,003.20, 750,709.44 and 302,279.52

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Solution

The fourth proportional to 544,003.20, 750,709.44 and 302,279.52 is: 417,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,003.20 : 750,709.44 = 302,279.52 : x
  2. Step 2: Convert to fraction form
    544,003.20/750,709.44 = 302,279.52/x
  3. Step 3: Cross multiply
    544,003.20x = 750,709.44 × 302,279.52
  4. Step 4: Simplify right side
    544,003.20x = 226,924,089,182.67
  5. Step 5: Solve for x
    x = 226,924,089,182.67/544,003.20
  6. Step 6: Final answer
    x = 417,137.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.