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Finding the Fourth Proportional to 455,618.60, 683,427.90 and 367,045.10

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Solution

The fourth proportional to 455,618.60, 683,427.90 and 367,045.10 is: 550,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,618.60 : 683,427.90 = 367,045.10 : x
  2. Step 2: Convert to fraction form
    455,618.60/683,427.90 = 367,045.10/x
  3. Step 3: Cross multiply
    455,618.60x = 683,427.90 × 367,045.10
  4. Step 4: Simplify right side
    455,618.60x = 250,848,861,898.29
  5. Step 5: Solve for x
    x = 250,848,861,898.29/455,618.60
  6. Step 6: Final answer
    x = 550,567.65

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Similar ratio
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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.