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Finding the Fourth Proportional to 364,817.40, 547,226.10 and 115,499.40

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Solution

The fourth proportional to 364,817.40, 547,226.10 and 115,499.40 is: 173,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,817.40 : 547,226.10 = 115,499.40 : x
  2. Step 2: Convert to fraction form
    364,817.40/547,226.10 = 115,499.40/x
  3. Step 3: Cross multiply
    364,817.40x = 547,226.10 × 115,499.40
  4. Step 4: Simplify right side
    364,817.40x = 63,204,286,214.34
  5. Step 5: Solve for x
    x = 63,204,286,214.34/364,817.40
  6. Step 6: Final answer
    x = 173,249.10

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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.