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Finding the Fourth Proportional to 504,038.80, 755,183.40 and 326,454.40

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Solution

The fourth proportional to 504,038.80, 755,183.40 and 326,454.40 is: 489,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,038.80 : 755,183.40 = 326,454.40 : x
  2. Step 2: Convert to fraction form
    504,038.80/755,183.40 = 326,454.40/x
  3. Step 3: Cross multiply
    504,038.80x = 755,183.40 × 326,454.40
  4. Step 4: Simplify right side
    504,038.80x = 246,532,943,736.96
  5. Step 5: Solve for x
    x = 246,532,943,736.96/504,038.80
  6. Step 6: Final answer
    x = 489,115.01

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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.