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Finding the Fourth Proportional to 371,522.89, 512,858.55 and 250,827.67

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Solution

The fourth proportional to 371,522.89, 512,858.55 and 250,827.67 is: 346,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522.89 : 512,858.55 = 250,827.67 : x
  2. Step 2: Convert to fraction form
    371,522.89/512,858.55 = 250,827.67/x
  3. Step 3: Cross multiply
    371,522.89x = 512,858.55 × 250,827.67
  4. Step 4: Simplify right side
    371,522.89x = 128,639,115,136.08
  5. Step 5: Solve for x
    x = 128,639,115,136.08/371,522.89
  6. Step 6: Final answer
    x = 346,248.15

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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.