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Finding the Fourth Proportional to 659,644.52, 989,507.80 and 238,924.04

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Solution

The fourth proportional to 659,644.52, 989,507.80 and 238,924.04 is: 358,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,644.52 : 989,507.80 = 238,924.04 : x
  2. Step 2: Convert to fraction form
    659,644.52/989,507.80 = 238,924.04/x
  3. Step 3: Cross multiply
    659,644.52x = 989,507.80 × 238,924.04
  4. Step 4: Simplify right side
    659,644.52x = 236,417,201,187.51
  5. Step 5: Solve for x
    x = 236,417,201,187.51/659,644.52
  6. Step 6: Final answer
    x = 358,400.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.