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Finding the Fourth Proportional to 303,465.96, 455,220.77 and 116,477.46

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Solution

The fourth proportional to 303,465.96, 455,220.77 and 116,477.46 is: 174,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,465.96 : 455,220.77 = 116,477.46 : x
  2. Step 2: Convert to fraction form
    303,465.96/455,220.77 = 116,477.46/x
  3. Step 3: Cross multiply
    303,465.96x = 455,220.77 × 116,477.46
  4. Step 4: Simplify right side
    303,465.96x = 53,022,958,446.46
  5. Step 5: Solve for x
    x = 53,022,958,446.46/303,465.96
  6. Step 6: Final answer
    x = 174,724.57

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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.