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Finding the Fourth Proportional to 455,638.60, 683,457.90 and 367,065.10

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Solution

The fourth proportional to 455,638.60, 683,457.90 and 367,065.10 is: 550,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,638.60 : 683,457.90 = 367,065.10 : x
  2. Step 2: Convert to fraction form
    455,638.60/683,457.90 = 367,065.10/x
  3. Step 3: Cross multiply
    455,638.60x = 683,457.90 × 367,065.10
  4. Step 4: Simplify right side
    455,638.60x = 250,873,542,409.29
  5. Step 5: Solve for x
    x = 250,873,542,409.29/455,638.60
  6. Step 6: Final answer
    x = 550,597.65

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Similar ratio
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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.