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Finding the Fourth Proportional to 544,002.21, 816,141.74 and 319,552.47

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Solution

The fourth proportional to 544,002.21, 816,141.74 and 319,552.47 is: 479,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,002.21 : 816,141.74 = 319,552.47 : x
  2. Step 2: Convert to fraction form
    544,002.21/816,141.74 = 319,552.47/x
  3. Step 3: Cross multiply
    544,002.21x = 816,141.74 × 319,552.47
  4. Step 4: Simplify right side
    544,002.21x = 260,800,107,289.34
  5. Step 5: Solve for x
    x = 260,800,107,289.34/544,002.21
  6. Step 6: Final answer
    x = 479,410.01

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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.