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Finding the Fourth Proportional to 441,321.84, 609,149.16 and 260,138.88

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Solution

The fourth proportional to 441,321.84, 609,149.16 and 260,138.88 is: 359,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,321.84 : 609,149.16 = 260,138.88 : x
  2. Step 2: Convert to fraction form
    441,321.84/609,149.16 = 260,138.88/x
  3. Step 3: Cross multiply
    441,321.84x = 609,149.16 × 260,138.88
  4. Step 4: Simplify right side
    441,321.84x = 158,463,380,235.34
  5. Step 5: Solve for x
    x = 158,463,380,235.34/441,321.84
  6. Step 6: Final answer
    x = 359,065.35

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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.