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Finding the Fourth Proportional to 2,993,992.40, 4,493,807.40 and 1,575,066.80

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Solution

The fourth proportional to 2,993,992.40, 4,493,807.40 and 1,575,066.80 is: 2,364,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,992.40 : 4,493,807.40 = 1,575,066.80 : x
  2. Step 2: Convert to fraction form
    2,993,992.40/4,493,807.40 = 1,575,066.80/x
  3. Step 3: Cross multiply
    2,993,992.40x = 4,493,807.40 × 1,575,066.80
  4. Step 4: Simplify right side
    2,993,992.40x = 7,078,046,841,334.32
  5. Step 5: Solve for x
    x = 7,078,046,841,334.32/2,993,992.40
  6. Step 6: Final answer
    x = 2,364,083.10

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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.