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Finding the Fourth Proportional to 452,046.45, 680,776.67 and 411,690.22

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Solution

The fourth proportional to 452,046.45, 680,776.67 and 411,690.22 is: 620,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,046.45 : 680,776.67 = 411,690.22 : x
  2. Step 2: Convert to fraction form
    452,046.45/680,776.67 = 411,690.22/x
  3. Step 3: Cross multiply
    452,046.45x = 680,776.67 × 411,690.22
  4. Step 4: Simplify right side
    452,046.45x = 280,269,097,043.17
  5. Step 5: Solve for x
    x = 280,269,097,043.17/452,046.45
  6. Step 6: Final answer
    x = 620,000.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.