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Finding the Fourth Proportional to 441,530.47, 662,394.47 and 161,047.72

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Solution

The fourth proportional to 441,530.47, 662,394.47 and 161,047.72 is: 241,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,530.47 : 662,394.47 = 161,047.72 : x
  2. Step 2: Convert to fraction form
    441,530.47/662,394.47 = 161,047.72/x
  3. Step 3: Cross multiply
    441,530.47x = 662,394.47 × 161,047.72
  4. Step 4: Simplify right side
    441,530.47x = 106,677,119,134.11
  5. Step 5: Solve for x
    x = 106,677,119,134.11/441,530.47
  6. Step 6: Final answer
    x = 241,607.60

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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.