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Finding the Fourth Proportional to 303,424.66, 455,195.58 and 116,421.58

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Solution

The fourth proportional to 303,424.66, 455,195.58 and 116,421.58 is: 174,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,424.66 : 455,195.58 = 116,421.58 : x
  2. Step 2: Convert to fraction form
    303,424.66/455,195.58 = 116,421.58/x
  3. Step 3: Cross multiply
    303,424.66x = 455,195.58 × 116,421.58
  4. Step 4: Simplify right side
    303,424.66x = 52,994,588,632.62
  5. Step 5: Solve for x
    x = 52,994,588,632.62/303,424.66
  6. Step 6: Final answer
    x = 174,654.85

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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.