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Finding the Fourth Proportional to 3,089,486.80, 4,634,230.20 and 3,089,486.80

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Solution

The fourth proportional to 3,089,486.80, 4,634,230.20 and 3,089,486.80 is: 4,634,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,486.80 : 4,634,230.20 = 3,089,486.80 : x
  2. Step 2: Convert to fraction form
    3,089,486.80/4,634,230.20 = 3,089,486.80/x
  3. Step 3: Cross multiply
    3,089,486.80x = 4,634,230.20 × 3,089,486.80
  4. Step 4: Simplify right side
    3,089,486.80x = 14,317,393,031,061.36
  5. Step 5: Solve for x
    x = 14,317,393,031,061.36/3,089,486.80
  6. Step 6: Final answer
    x = 4,634,230.20

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Double scale
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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.