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Finding the Fourth Proportional to 553,529.64, 763,995.24 and 362,431.92

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Solution

The fourth proportional to 553,529.64, 763,995.24 and 362,431.92 is: 500,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,529.64 : 763,995.24 = 362,431.92 : x
  2. Step 2: Convert to fraction form
    553,529.64/763,995.24 = 362,431.92/x
  3. Step 3: Cross multiply
    553,529.64x = 763,995.24 × 362,431.92
  4. Step 4: Simplify right side
    553,529.64x = 276,896,261,704.06
  5. Step 5: Solve for x
    x = 276,896,261,704.06/553,529.64
  6. Step 6: Final answer
    x = 500,237.46

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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.