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Finding the Fourth Proportional to 540,670.69, 746,093.50 and 298,934.29

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Solution

The fourth proportional to 540,670.69, 746,093.50 and 298,934.29 is: 412,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,670.69 : 746,093.50 = 298,934.29 : x
  2. Step 2: Convert to fraction form
    540,670.69/746,093.50 = 298,934.29/x
  3. Step 3: Cross multiply
    540,670.69x = 746,093.50 × 298,934.29
  4. Step 4: Simplify right side
    540,670.69x = 223,032,931,814.01
  5. Step 5: Solve for x
    x = 223,032,931,814.01/540,670.69
  6. Step 6: Final answer
    x = 412,511.60

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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.