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Finding the Fourth Proportional to 371,207.03, 512,261.58 and 207,865.01

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Solution

The fourth proportional to 371,207.03, 512,261.58 and 207,865.01 is: 286,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,207.03 : 512,261.58 = 207,865.01 : x
  2. Step 2: Convert to fraction form
    371,207.03/512,261.58 = 207,865.01/x
  3. Step 3: Cross multiply
    371,207.03x = 512,261.58 × 207,865.01
  4. Step 4: Simplify right side
    371,207.03x = 106,481,258,191.80
  5. Step 5: Solve for x
    x = 106,481,258,191.80/371,207.03
  6. Step 6: Final answer
    x = 286,851.41

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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.