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Finding the Fourth Proportional to 302,903, 454,266.94 and 103,218.96

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Solution

The fourth proportional to 302,903, 454,266.94 and 103,218.96 is: 154,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,903 : 454,266.94 = 103,218.96 : x
  2. Step 2: Convert to fraction form
    302,903/454,266.94 = 103,218.96/x
  3. Step 3: Cross multiply
    302,903x = 454,266.94 × 103,218.96
  4. Step 4: Simplify right side
    302,903x = 46,888,961,109.18
  5. Step 5: Solve for x
    x = 46,888,961,109.18/302,903
  6. Step 6: Final answer
    x = 154,798.60

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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.