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Finding the Fourth Proportional to 7,314,573.60, 10,971,860.40 and 4,763,656.80

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Solution

The fourth proportional to 7,314,573.60, 10,971,860.40 and 4,763,656.80 is: 7,145,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314,573.60 : 10,971,860.40 = 4,763,656.80 : x
  2. Step 2: Convert to fraction form
    7,314,573.60/10,971,860.40 = 4,763,656.80/x
  3. Step 3: Cross multiply
    7,314,573.60x = 10,971,860.40 × 4,763,656.80
  4. Step 4: Simplify right side
    7,314,573.60x = 52,266,177,403,110.72
  5. Step 5: Solve for x
    x = 52,266,177,403,110.72/7,314,573.60
  6. Step 6: Final answer
    x = 7,145,485.20

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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.