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Finding the Fourth Proportional to 474,373.56, 654,633.18 and 259,509.72

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Solution

The fourth proportional to 474,373.56, 654,633.18 and 259,509.72 is: 358,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,373.56 : 654,633.18 = 259,509.72 : x
  2. Step 2: Convert to fraction form
    474,373.56/654,633.18 = 259,509.72/x
  3. Step 3: Cross multiply
    474,373.56x = 654,633.18 × 259,509.72
  4. Step 4: Simplify right side
    474,373.56x = 169,883,673,244.51
  5. Step 5: Solve for x
    x = 169,883,673,244.51/474,373.56
  6. Step 6: Final answer
    x = 358,122.14

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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.