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Finding the Fourth Proportional to 371,522.40, 512,857.86 and 250,827.17

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Solution

The fourth proportional to 371,522.40, 512,857.86 and 250,827.17 is: 346,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522.40 : 512,857.86 = 250,827.17 : x
  2. Step 2: Convert to fraction form
    371,522.40/512,857.86 = 250,827.17/x
  3. Step 3: Cross multiply
    371,522.40x = 512,857.86 × 250,827.17
  4. Step 4: Simplify right side
    371,522.40x = 128,638,685,636.06
  5. Step 5: Solve for x
    x = 128,638,685,636.06/371,522.40
  6. Step 6: Final answer
    x = 346,247.46

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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.