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Finding the Fourth Proportional to 441,315, 609,014.70 and 240,112.44

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Solution

The fourth proportional to 441,315, 609,014.70 and 240,112.44 is: 331,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,315 : 609,014.70 = 240,112.44 : x
  2. Step 2: Convert to fraction form
    441,315/609,014.70 = 240,112.44/x
  3. Step 3: Cross multiply
    441,315x = 609,014.70 × 240,112.44
  4. Step 4: Simplify right side
    441,315x = 146,232,005,612.87
  5. Step 5: Solve for x
    x = 146,232,005,612.87/441,315
  6. Step 6: Final answer
    x = 331,355.17

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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.