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Finding the Fourth Proportional to 3,232,848.80, 4,849,097.40 and 988,986.80

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Solution

The fourth proportional to 3,232,848.80, 4,849,097.40 and 988,986.80 is: 1,483,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232,848.80 : 4,849,097.40 = 988,986.80 : x
  2. Step 2: Convert to fraction form
    3,232,848.80/4,849,097.40 = 988,986.80/x
  3. Step 3: Cross multiply
    3,232,848.80x = 4,849,097.40 × 988,986.80
  4. Step 4: Simplify right side
    3,232,848.80x = 4,795,693,320,514.32
  5. Step 5: Solve for x
    x = 4,795,693,320,514.32/3,232,848.80
  6. Step 6: Final answer
    x = 1,483,426.42

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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.