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Finding the Fourth Proportional to 2,362,281.51, 3,543,985.43 and 764,845.07

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Solution

The fourth proportional to 2,362,281.51, 3,543,985.43 and 764,845.07 is: 1,147,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362,281.51 : 3,543,985.43 = 764,845.07 : x
  2. Step 2: Convert to fraction form
    2,362,281.51/3,543,985.43 = 764,845.07/x
  3. Step 3: Cross multiply
    2,362,281.51x = 3,543,985.43 × 764,845.07
  4. Step 4: Simplify right side
    2,362,281.51x = 2,710,599,780,463.10
  5. Step 5: Solve for x
    x = 2,710,599,780,463.10/2,362,281.51
  6. Step 6: Final answer
    x = 1,147,449.94

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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.