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Finding the Fourth Proportional to 599,485.32, 899,031.15 and 200,018.84

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Solution

The fourth proportional to 599,485.32, 899,031.15 and 200,018.84 is: 299,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,485.32 : 899,031.15 = 200,018.84 : x
  2. Step 2: Convert to fraction form
    599,485.32/899,031.15 = 200,018.84/x
  3. Step 3: Cross multiply
    599,485.32x = 899,031.15 × 200,018.84
  4. Step 4: Simplify right side
    599,485.32x = 179,823,163,251.71
  5. Step 5: Solve for x
    x = 179,823,163,251.71/599,485.32
  6. Step 6: Final answer
    x = 299,962.58

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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.