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Finding the Fourth Proportional to 302,954.68, 418,028.10 and 175,605.40

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Solution

The fourth proportional to 302,954.68, 418,028.10 and 175,605.40 is: 242,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,954.68 : 418,028.10 = 175,605.40 : x
  2. Step 2: Convert to fraction form
    302,954.68/418,028.10 = 175,605.40/x
  3. Step 3: Cross multiply
    302,954.68x = 418,028.10 × 175,605.40
  4. Step 4: Simplify right side
    302,954.68x = 73,407,991,711.74
  5. Step 5: Solve for x
    x = 73,407,991,711.74/302,954.68
  6. Step 6: Final answer
    x = 242,306.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.