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Finding the Fourth Proportional to 357,808.80, 493,822.86 and 230,853.72

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Solution

The fourth proportional to 357,808.80, 493,822.86 and 230,853.72 is: 318,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,808.80 : 493,822.86 = 230,853.72 : x
  2. Step 2: Convert to fraction form
    357,808.80/493,822.86 = 230,853.72/x
  3. Step 3: Cross multiply
    357,808.80x = 493,822.86 × 230,853.72
  4. Step 4: Simplify right side
    357,808.80x = 114,000,844,252.04
  5. Step 5: Solve for x
    x = 114,000,844,252.04/357,808.80
  6. Step 6: Final answer
    x = 318,608.27

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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.