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Finding the Fourth Proportional to 302,461.45, 453,670.30 and 144,647.53

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Solution

The fourth proportional to 302,461.45, 453,670.30 and 144,647.53 is: 216,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,461.45 : 453,670.30 = 144,647.53 : x
  2. Step 2: Convert to fraction form
    302,461.45/453,670.30 = 144,647.53/x
  3. Step 3: Cross multiply
    302,461.45x = 453,670.30 × 144,647.53
  4. Step 4: Simplify right side
    302,461.45x = 65,622,288,329.36
  5. Step 5: Solve for x
    x = 65,622,288,329.36/302,461.45
  6. Step 6: Final answer
    x = 216,960.83

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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.