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Finding the Fourth Proportional to 369,743.35, 554,676.30 and 129,794.98

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Solution

The fourth proportional to 369,743.35, 554,676.30 and 129,794.98 is: 194,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,743.35 : 554,676.30 = 129,794.98 : x
  2. Step 2: Convert to fraction form
    369,743.35/554,676.30 = 129,794.98/x
  3. Step 3: Cross multiply
    369,743.35x = 554,676.30 × 129,794.98
  4. Step 4: Simplify right side
    369,743.35x = 71,994,199,264.97
  5. Step 5: Solve for x
    x = 71,994,199,264.97/369,743.35
  6. Step 6: Final answer
    x = 194,713.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.