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Finding the Fourth Proportional to 444,004.62, 612,798.74 and 330,040.05

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Solution

The fourth proportional to 444,004.62, 612,798.74 and 330,040.05 is: 455,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,004.62 : 612,798.74 = 330,040.05 : x
  2. Step 2: Convert to fraction form
    444,004.62/612,798.74 = 330,040.05/x
  3. Step 3: Cross multiply
    444,004.62x = 612,798.74 × 330,040.05
  4. Step 4: Simplify right side
    444,004.62x = 202,248,125,139.34
  5. Step 5: Solve for x
    x = 202,248,125,139.34/444,004.62
  6. Step 6: Final answer
    x = 455,509.06

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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.