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Finding the Fourth Proportional to 399,062.94, 598,804.59 and 230,701.50

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Solution

The fourth proportional to 399,062.94, 598,804.59 and 230,701.50 is: 346,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,062.94 : 598,804.59 = 230,701.50 : x
  2. Step 2: Convert to fraction form
    399,062.94/598,804.59 = 230,701.50/x
  3. Step 3: Cross multiply
    399,062.94x = 598,804.59 × 230,701.50
  4. Step 4: Simplify right side
    399,062.94x = 138,145,117,119.89
  5. Step 5: Solve for x
    x = 138,145,117,119.89/399,062.94
  6. Step 6: Final answer
    x = 346,173.76

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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.