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Finding the Fourth Proportional to 424,005.98, 585,178.02 and 251,925.37

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Solution

The fourth proportional to 424,005.98, 585,178.02 and 251,925.37 is: 347,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,005.98 : 585,178.02 = 251,925.37 : x
  2. Step 2: Convert to fraction form
    424,005.98/585,178.02 = 251,925.37/x
  3. Step 3: Cross multiply
    424,005.98x = 585,178.02 × 251,925.37
  4. Step 4: Simplify right side
    424,005.98x = 147,421,187,741.42
  5. Step 5: Solve for x
    x = 147,421,187,741.42/424,005.98
  6. Step 6: Final answer
    x = 347,686.58

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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.