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Finding the Fourth Proportional to 3,669,291.10, 5,503,936.65 and 973,611.10

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Solution

The fourth proportional to 3,669,291.10, 5,503,936.65 and 973,611.10 is: 1,460,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,291.10 : 5,503,936.65 = 973,611.10 : x
  2. Step 2: Convert to fraction form
    3,669,291.10/5,503,936.65 = 973,611.10/x
  3. Step 3: Cross multiply
    3,669,291.10x = 5,503,936.65 × 973,611.10
  4. Step 4: Simplify right side
    3,669,291.10x = 5,358,693,816,136.82
  5. Step 5: Solve for x
    x = 5,358,693,816,136.82/3,669,291.10
  6. Step 6: Final answer
    x = 1,460,416.65

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Double scale
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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.