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Finding the Fourth Proportional to 431,660.07, 595,698.30 and 238,090.01

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Solution

The fourth proportional to 431,660.07, 595,698.30 and 238,090.01 is: 328,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,660.07 : 595,698.30 = 238,090.01 : x
  2. Step 2: Convert to fraction form
    431,660.07/595,698.30 = 238,090.01/x
  3. Step 3: Cross multiply
    431,660.07x = 595,698.30 × 238,090.01
  4. Step 4: Simplify right side
    431,660.07x = 141,829,811,225.49
  5. Step 5: Solve for x
    x = 141,829,811,225.49/431,660.07
  6. Step 6: Final answer
    x = 328,568.29

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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.