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Finding the Fourth Proportional to 507,362.16, 700,158.24 and 281,007.60

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Solution

The fourth proportional to 507,362.16, 700,158.24 and 281,007.60 is: 387,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,362.16 : 700,158.24 = 281,007.60 : x
  2. Step 2: Convert to fraction form
    507,362.16/700,158.24 = 281,007.60/x
  3. Step 3: Cross multiply
    507,362.16x = 700,158.24 × 281,007.60
  4. Step 4: Simplify right side
    507,362.16x = 196,749,786,642.62
  5. Step 5: Solve for x
    x = 196,749,786,642.62/507,362.16
  6. Step 6: Final answer
    x = 387,789.63

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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.