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Finding the Fourth Proportional to 556,651.49, 834,022.88 and 373,939.86

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Solution

The fourth proportional to 556,651.49, 834,022.88 and 373,939.86 is: 560,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,651.49 : 834,022.88 = 373,939.86 : x
  2. Step 2: Convert to fraction form
    556,651.49/834,022.88 = 373,939.86/x
  3. Step 3: Cross multiply
    556,651.49x = 834,022.88 × 373,939.86
  4. Step 4: Simplify right side
    556,651.49x = 311,874,401,644.16
  5. Step 5: Solve for x
    x = 311,874,401,644.16/556,651.49
  6. Step 6: Final answer
    x = 560,268.70

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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.