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Finding the Fourth Proportional to 507,675.86, 700,591.22 and 281,321.36

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Solution

The fourth proportional to 507,675.86, 700,591.22 and 281,321.36 is: 388,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,675.86 : 700,591.22 = 281,321.36 : x
  2. Step 2: Convert to fraction form
    507,675.86/700,591.22 = 281,321.36/x
  3. Step 3: Cross multiply
    507,675.86x = 700,591.22 × 281,321.36
  4. Step 4: Simplify right side
    507,675.86x = 197,091,274,814.46
  5. Step 5: Solve for x
    x = 197,091,274,814.46/507,675.86
  6. Step 6: Final answer
    x = 388,222.66

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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.