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Finding the Fourth Proportional to 357,651.36, 538,616.64 and 325,765.44

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Solution

The fourth proportional to 357,651.36, 538,616.64 and 325,765.44 is: 490,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,651.36 : 538,616.64 = 325,765.44 : x
  2. Step 2: Convert to fraction form
    357,651.36/538,616.64 = 325,765.44/x
  3. Step 3: Cross multiply
    357,651.36x = 538,616.64 × 325,765.44
  4. Step 4: Simplify right side
    357,651.36x = 175,462,686,720.92
  5. Step 5: Solve for x
    x = 175,462,686,720.92/357,651.36
  6. Step 6: Final answer
    x = 490,597.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.