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Finding the Fourth Proportional to 332,886.42, 499,455.42 and 199,859.40

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Solution

The fourth proportional to 332,886.42, 499,455.42 and 199,859.40 is: 299,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.42 : 499,455.42 = 199,859.40 : x
  2. Step 2: Convert to fraction form
    332,886.42/499,455.42 = 199,859.40/x
  3. Step 3: Cross multiply
    332,886.42x = 499,455.42 × 199,859.40
  4. Step 4: Simplify right side
    332,886.42x = 99,820,860,567.95
  5. Step 5: Solve for x
    x = 99,820,860,567.95/332,886.42
  6. Step 6: Final answer
    x = 299,864.62

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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.