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Finding the Fourth Proportional to 507,632.96, 700,523.04 and 281,276.48

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Solution

The fourth proportional to 507,632.96, 700,523.04 and 281,276.48 is: 388,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,632.96 : 700,523.04 = 281,276.48 : x
  2. Step 2: Convert to fraction form
    507,632.96/700,523.04 = 281,276.48/x
  3. Step 3: Cross multiply
    507,632.96x = 700,523.04 × 281,276.48
  4. Step 4: Simplify right side
    507,632.96x = 197,040,654,850.10
  5. Step 5: Solve for x
    x = 197,040,654,850.10/507,632.96
  6. Step 6: Final answer
    x = 388,155.75

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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.