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Finding the Fourth Proportional to 351,379.48, 484,900.32 and 190,230.34

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Solution

The fourth proportional to 351,379.48, 484,900.32 and 190,230.34 is: 262,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,379.48 : 484,900.32 = 190,230.34 : x
  2. Step 2: Convert to fraction form
    351,379.48/484,900.32 = 190,230.34/x
  3. Step 3: Cross multiply
    351,379.48x = 484,900.32 × 190,230.34
  4. Step 4: Simplify right side
    351,379.48x = 92,242,752,739.71
  5. Step 5: Solve for x
    x = 92,242,752,739.71/351,379.48
  6. Step 6: Final answer
    x = 262,516.05

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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.