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Finding the Fourth Proportional to 341,704.60, 511,347.30 and 297,813.40

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Solution

The fourth proportional to 341,704.60, 511,347.30 and 297,813.40 is: 445,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,704.60 : 511,347.30 = 297,813.40 : x
  2. Step 2: Convert to fraction form
    341,704.60/511,347.30 = 297,813.40/x
  3. Step 3: Cross multiply
    341,704.60x = 511,347.30 × 297,813.40
  4. Step 4: Simplify right side
    341,704.60x = 152,286,077,993.82
  5. Step 5: Solve for x
    x = 152,286,077,993.82/341,704.60
  6. Step 6: Final answer
    x = 445,665.87

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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.