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Finding the Fourth Proportional to 649,998.78, 975,019.74 and 223,530.39

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Solution

The fourth proportional to 649,998.78, 975,019.74 and 223,530.39 is: 335,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,998.78 : 975,019.74 = 223,530.39 : x
  2. Step 2: Convert to fraction form
    649,998.78/975,019.74 = 223,530.39/x
  3. Step 3: Cross multiply
    649,998.78x = 975,019.74 × 223,530.39
  4. Step 4: Simplify right side
    649,998.78x = 217,946,542,739.90
  5. Step 5: Solve for x
    x = 217,946,542,739.90/649,998.78
  6. Step 6: Final answer
    x = 335,303.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.