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Finding the Fourth Proportional to 283,879,666.80, 425,819,500.20 and 255,158,233.20

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Solution

The fourth proportional to 283,879,666.80, 425,819,500.20 and 255,158,233.20 is: 382,737,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,879,666.80 : 425,819,500.20 = 255,158,233.20 : x
  2. Step 2: Convert to fraction form
    283,879,666.80/425,819,500.20 = 255,158,233.20/x
  3. Step 3: Cross multiply
    283,879,666.80x = 425,819,500.20 × 255,158,233.20
  4. Step 4: Simplify right side
    283,879,666.80x = 108,651,351,333,139,040
  5. Step 5: Solve for x
    x = 108,651,351,333,139,040/283,879,666.80
  6. Step 6: Final answer
    x = 382,737,349.80

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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.