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Finding the Fourth Proportional to 302,857.90, 453,302.70 and 302,857.90

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Solution

The fourth proportional to 302,857.90, 453,302.70 and 302,857.90 is: 453,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,857.90 : 453,302.70 = 302,857.90 : x
  2. Step 2: Convert to fraction form
    302,857.90/453,302.70 = 302,857.90/x
  3. Step 3: Cross multiply
    302,857.90x = 453,302.70 × 302,857.90
  4. Step 4: Simplify right side
    302,857.90x = 137,286,303,786.33
  5. Step 5: Solve for x
    x = 137,286,303,786.33/302,857.90
  6. Step 6: Final answer
    x = 453,302.70

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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.