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Finding the Fourth Proportional to 4,719,616.95, 7,079,405.22 and 1,307,893.80

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Solution

The fourth proportional to 4,719,616.95, 7,079,405.22 and 1,307,893.80 is: 1,961,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,616.95 : 7,079,405.22 = 1,307,893.80 : x
  2. Step 2: Convert to fraction form
    4,719,616.95/7,079,405.22 = 1,307,893.80/x
  3. Step 3: Cross multiply
    4,719,616.95x = 7,079,405.22 × 1,307,893.80
  4. Step 4: Simplify right side
    4,719,616.95x = 9,259,110,194,925.64
  5. Step 5: Solve for x
    x = 9,259,110,194,925.64/4,719,616.95
  6. Step 6: Final answer
    x = 1,961,835.10

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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.