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Finding the Fourth Proportional to 649,993.76, 975,012.22 and 223,525.40

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Solution

The fourth proportional to 649,993.76, 975,012.22 and 223,525.40 is: 335,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,993.76 : 975,012.22 = 223,525.40 : x
  2. Step 2: Convert to fraction form
    649,993.76/975,012.22 = 223,525.40/x
  3. Step 3: Cross multiply
    649,993.76x = 975,012.22 × 223,525.40
  4. Step 4: Simplify right side
    649,993.76x = 217,939,996,480.39
  5. Step 5: Solve for x
    x = 217,939,996,480.39/649,993.76
  6. Step 6: Final answer
    x = 335,295.52

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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.