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Finding the Fourth Proportional to 507,550.08, 700,388.76 and 281,179.20

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Solution

The fourth proportional to 507,550.08, 700,388.76 and 281,179.20 is: 388,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,550.08 : 700,388.76 = 281,179.20 : x
  2. Step 2: Convert to fraction form
    507,550.08/700,388.76 = 281,179.20/x
  3. Step 3: Cross multiply
    507,550.08x = 700,388.76 × 281,179.20
  4. Step 4: Simplify right side
    507,550.08x = 196,934,751,225.79
  5. Step 5: Solve for x
    x = 196,934,751,225.79/507,550.08
  6. Step 6: Final answer
    x = 388,010.48

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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.