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Finding the Fourth Proportional to 630,091.10, 945,136.65 and 605,596.70

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Solution

The fourth proportional to 630,091.10, 945,136.65 and 605,596.70 is: 908,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,091.10 : 945,136.65 = 605,596.70 : x
  2. Step 2: Convert to fraction form
    630,091.10/945,136.65 = 605,596.70/x
  3. Step 3: Cross multiply
    630,091.10x = 945,136.65 × 605,596.70
  4. Step 4: Simplify right side
    630,091.10x = 572,371,636,289.06
  5. Step 5: Solve for x
    x = 572,371,636,289.06/630,091.10
  6. Step 6: Final answer
    x = 908,395.05

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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.