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Finding the Fourth Proportional to 560,464.45, 773,238.86 and 431,442.38

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Solution

The fourth proportional to 560,464.45, 773,238.86 and 431,442.38 is: 595,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,464.45 : 773,238.86 = 431,442.38 : x
  2. Step 2: Convert to fraction form
    560,464.45/773,238.86 = 431,442.38/x
  3. Step 3: Cross multiply
    560,464.45x = 773,238.86 × 431,442.38
  4. Step 4: Simplify right side
    560,464.45x = 333,608,015,460.68
  5. Step 5: Solve for x
    x = 333,608,015,460.68/560,464.45
  6. Step 6: Final answer
    x = 595,234.93

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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.