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Finding the Fourth Proportional to 551,206.41, 759,089.79 and 496,290.84

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Solution

The fourth proportional to 551,206.41, 759,089.79 and 496,290.84 is: 683,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,206.41 : 759,089.79 = 496,290.84 : x
  2. Step 2: Convert to fraction form
    551,206.41/759,089.79 = 496,290.84/x
  3. Step 3: Cross multiply
    551,206.41x = 759,089.79 × 496,290.84
  4. Step 4: Simplify right side
    551,206.41x = 376,729,309,514.52
  5. Step 5: Solve for x
    x = 376,729,309,514.52/551,206.41
  6. Step 6: Final answer
    x = 683,463.22

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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.