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Finding the Fourth Proportional to 452,046.95, 680,777.43 and 411,690.72

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Solution

The fourth proportional to 452,046.95, 680,777.43 and 411,690.72 is: 620,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,046.95 : 680,777.43 = 411,690.72 : x
  2. Step 2: Convert to fraction form
    452,046.95/680,777.43 = 411,690.72/x
  3. Step 3: Cross multiply
    452,046.95x = 680,777.43 × 411,690.72
  4. Step 4: Simplify right side
    452,046.95x = 280,269,750,316.45
  5. Step 5: Solve for x
    x = 280,269,750,316.45/452,046.95
  6. Step 6: Final answer
    x = 620,001.43

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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.