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Finding the Fourth Proportional to 556,626.26, 768,144.51 and 301,977.38

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Solution

The fourth proportional to 556,626.26, 768,144.51 and 301,977.38 is: 416,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,626.26 : 768,144.51 = 301,977.38 : x
  2. Step 2: Convert to fraction form
    556,626.26/768,144.51 = 301,977.38/x
  3. Step 3: Cross multiply
    556,626.26x = 768,144.51 × 301,977.38
  4. Step 4: Simplify right side
    556,626.26x = 231,962,266,591.18
  5. Step 5: Solve for x
    x = 231,962,266,591.18/556,626.26
  6. Step 6: Final answer
    x = 416,728.93

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1.5x scale

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.