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Finding the Fourth Proportional to 341,938.60, 513,522.30 and 330,879.40

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Solution

The fourth proportional to 341,938.60, 513,522.30 and 330,879.40 is: 496,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,938.60 : 513,522.30 = 330,879.40 : x
  2. Step 2: Convert to fraction form
    341,938.60/513,522.30 = 330,879.40/x
  3. Step 3: Cross multiply
    341,938.60x = 513,522.30 × 330,879.40
  4. Step 4: Simplify right side
    341,938.60x = 169,913,950,510.62
  5. Step 5: Solve for x
    x = 169,913,950,510.62/341,938.60
  6. Step 6: Final answer
    x = 496,913.63

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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.