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Finding the Fourth Proportional to 2,362,281.76, 3,543,985.80 and 764,845.32

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Solution

The fourth proportional to 2,362,281.76, 3,543,985.80 and 764,845.32 is: 1,147,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362,281.76 : 3,543,985.80 = 764,845.32 : x
  2. Step 2: Convert to fraction form
    2,362,281.76/3,543,985.80 = 764,845.32/x
  3. Step 3: Cross multiply
    2,362,281.76x = 3,543,985.80 × 764,845.32
  4. Step 4: Simplify right side
    2,362,281.76x = 2,710,600,953,276.46
  5. Step 5: Solve for x
    x = 2,710,600,953,276.46/2,362,281.76
  6. Step 6: Final answer
    x = 1,147,450.32

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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.