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Finding the Fourth Proportional to 302,919.84, 418,031.04 and 175,670.88

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Solution

The fourth proportional to 302,919.84, 418,031.04 and 175,670.88 is: 242,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,919.84 : 418,031.04 = 175,670.88 : x
  2. Step 2: Convert to fraction form
    302,919.84/418,031.04 = 175,670.88/x
  3. Step 3: Cross multiply
    302,919.84x = 418,031.04 × 175,670.88
  4. Step 4: Simplify right side
    302,919.84x = 73,435,880,664.12
  5. Step 5: Solve for x
    x = 73,435,880,664.12/302,919.84
  6. Step 6: Final answer
    x = 242,426.78

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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.