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Finding the Fourth Proportional to 704,279.61, 971,888.22 and 394,177.59

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Solution

The fourth proportional to 704,279.61, 971,888.22 and 394,177.59 is: 543,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,279.61 : 971,888.22 = 394,177.59 : x
  2. Step 2: Convert to fraction form
    704,279.61/971,888.22 = 394,177.59/x
  3. Step 3: Cross multiply
    704,279.61x = 971,888.22 × 394,177.59
  4. Step 4: Simplify right side
    704,279.61x = 383,096,556,308.99
  5. Step 5: Solve for x
    x = 383,096,556,308.99/704,279.61
  6. Step 6: Final answer
    x = 543,955.20

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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.