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Finding the Fourth Proportional to 580,847.40, 814,015.80 and 580,847.40

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Solution

The fourth proportional to 580,847.40, 814,015.80 and 580,847.40 is: 814,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,847.40 : 814,015.80 = 580,847.40 : x
  2. Step 2: Convert to fraction form
    580,847.40/814,015.80 = 580,847.40/x
  3. Step 3: Cross multiply
    580,847.40x = 814,015.80 × 580,847.40
  4. Step 4: Simplify right side
    580,847.40x = 472,818,960,988.92
  5. Step 5: Solve for x
    x = 472,818,960,988.92/580,847.40
  6. Step 6: Final answer
    x = 814,015.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.