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Finding the Fourth Proportional to 3,221,804.24, 4,829,688.08 and 1,090,396.16

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Solution

The fourth proportional to 3,221,804.24, 4,829,688.08 and 1,090,396.16 is: 1,634,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,804.24 : 4,829,688.08 = 1,090,396.16 : x
  2. Step 2: Convert to fraction form
    3,221,804.24/4,829,688.08 = 1,090,396.16/x
  3. Step 3: Cross multiply
    3,221,804.24x = 4,829,688.08 × 1,090,396.16
  4. Step 4: Simplify right side
    3,221,804.24x = 5,266,273,336,429.77
  5. Step 5: Solve for x
    x = 5,266,273,336,429.77/3,221,804.24
  6. Step 6: Final answer
    x = 1,634,572.73

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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.