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Finding the Fourth Proportional to 474,392.64, 653,553.36 and 330,896.64

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Solution

The fourth proportional to 474,392.64, 653,553.36 and 330,896.64 is: 455,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,392.64 : 653,553.36 = 330,896.64 : x
  2. Step 2: Convert to fraction form
    474,392.64/653,553.36 = 330,896.64/x
  3. Step 3: Cross multiply
    474,392.64x = 653,553.36 × 330,896.64
  4. Step 4: Simplify right side
    474,392.64x = 216,258,610,884.71
  5. Step 5: Solve for x
    x = 216,258,610,884.71/474,392.64
  6. Step 6: Final answer
    x = 455,864.18

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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.