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Finding the Fourth Proportional to 474,651.64, 654,994.03 and 259,750.19

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Solution

The fourth proportional to 474,651.64, 654,994.03 and 259,750.19 is: 358,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,651.64 : 654,994.03 = 259,750.19 : x
  2. Step 2: Convert to fraction form
    474,651.64/654,994.03 = 259,750.19/x
  3. Step 3: Cross multiply
    474,651.64x = 654,994.03 × 259,750.19
  4. Step 4: Simplify right side
    474,651.64x = 170,134,823,741.37
  5. Step 5: Solve for x
    x = 170,134,823,741.37/474,651.64
  6. Step 6: Final answer
    x = 358,441.45

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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.