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Finding the Fourth Proportional to 4,862,493.60, 7,293,740.40 and 4,862,493.60

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Solution

The fourth proportional to 4,862,493.60, 7,293,740.40 and 4,862,493.60 is: 7,293,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862,493.60 : 7,293,740.40 = 4,862,493.60 : x
  2. Step 2: Convert to fraction form
    4,862,493.60/7,293,740.40 = 4,862,493.60/x
  3. Step 3: Cross multiply
    4,862,493.60x = 7,293,740.40 × 4,862,493.60
  4. Step 4: Simplify right side
    4,862,493.60x = 35,465,766,015,061.44
  5. Step 5: Solve for x
    x = 35,465,766,015,061.44/4,862,493.60
  6. Step 6: Final answer
    x = 7,293,740.40

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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.