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Finding the Fourth Proportional to 574,157.28, 792,477.72 and 444,840

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Solution

The fourth proportional to 574,157.28, 792,477.72 and 444,840 is: 613,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,157.28 : 792,477.72 = 444,840 : x
  2. Step 2: Convert to fraction form
    574,157.28/792,477.72 = 444,840/x
  3. Step 3: Cross multiply
    574,157.28x = 792,477.72 × 444,840
  4. Step 4: Simplify right side
    574,157.28x = 352,525,788,964.80
  5. Step 5: Solve for x
    x = 352,525,788,964.80/574,157.28
  6. Step 6: Final answer
    x = 613,988.19

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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.