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Finding the Fourth Proportional to 507,483.24, 700,369.56 and 281,149.80

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Solution

The fourth proportional to 507,483.24, 700,369.56 and 281,149.80 is: 388,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,483.24 : 700,369.56 = 281,149.80 : x
  2. Step 2: Convert to fraction form
    507,483.24/700,369.56 = 281,149.80/x
  3. Step 3: Cross multiply
    507,483.24x = 700,369.56 × 281,149.80
  4. Step 4: Simplify right side
    507,483.24x = 196,908,761,720.09
  5. Step 5: Solve for x
    x = 196,908,761,720.09/507,483.24
  6. Step 6: Final answer
    x = 388,010.37

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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.