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Finding the Fourth Proportional to 305,846.80, 457,895.40 and 305,846.80

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Solution

The fourth proportional to 305,846.80, 457,895.40 and 305,846.80 is: 457,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,846.80 : 457,895.40 = 305,846.80 : x
  2. Step 2: Convert to fraction form
    305,846.80/457,895.40 = 305,846.80/x
  3. Step 3: Cross multiply
    305,846.80x = 457,895.40 × 305,846.80
  4. Step 4: Simplify right side
    305,846.80x = 140,045,842,824.72
  5. Step 5: Solve for x
    x = 140,045,842,824.72/305,846.80
  6. Step 6: Final answer
    x = 457,895.40

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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.