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Finding the Fourth Proportional to 526,307.01, 726,303.15 and 284,589

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Solution

The fourth proportional to 526,307.01, 726,303.15 and 284,589 is: 392,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,307.01 : 726,303.15 = 284,589 : x
  2. Step 2: Convert to fraction form
    526,307.01/726,303.15 = 284,589/x
  3. Step 3: Cross multiply
    526,307.01x = 726,303.15 × 284,589
  4. Step 4: Simplify right side
    526,307.01x = 206,697,887,155.35
  5. Step 5: Solve for x
    x = 206,697,887,155.35/526,307.01
  6. Step 6: Final answer
    x = 392,732.54

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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.