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Finding the Fourth Proportional to 614,226.44, 921,470.87 and 214,880.24

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Solution

The fourth proportional to 614,226.44, 921,470.87 and 214,880.24 is: 322,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,226.44 : 921,470.87 = 214,880.24 : x
  2. Step 2: Convert to fraction form
    614,226.44/921,470.87 = 214,880.24/x
  3. Step 3: Cross multiply
    614,226.44x = 921,470.87 × 214,880.24
  4. Step 4: Simplify right side
    614,226.44x = 198,005,877,628.46
  5. Step 5: Solve for x
    x = 198,005,877,628.46/614,226.44
  6. Step 6: Final answer
    x = 322,366.26

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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.