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Finding the Fourth Proportional to 364,085.49, 502,653.52 and 323,687.67

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Solution

The fourth proportional to 364,085.49, 502,653.52 and 323,687.67 is: 446,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,085.49 : 502,653.52 = 323,687.67 : x
  2. Step 2: Convert to fraction form
    364,085.49/502,653.52 = 323,687.67/x
  3. Step 3: Cross multiply
    364,085.49x = 502,653.52 × 323,687.67
  4. Step 4: Simplify right side
    364,085.49x = 162,702,746,706.10
  5. Step 5: Solve for x
    x = 162,702,746,706.10/364,085.49
  6. Step 6: Final answer
    x = 446,880.61

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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.