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Finding the Fourth Proportional to 522,026.60, 783,039.90 and 462,540.20

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Solution

The fourth proportional to 522,026.60, 783,039.90 and 462,540.20 is: 693,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,026.60 : 783,039.90 = 462,540.20 : x
  2. Step 2: Convert to fraction form
    522,026.60/783,039.90 = 462,540.20/x
  3. Step 3: Cross multiply
    522,026.60x = 783,039.90 × 462,540.20
  4. Step 4: Simplify right side
    522,026.60x = 362,187,431,953.98
  5. Step 5: Solve for x
    x = 362,187,431,953.98/522,026.60
  6. Step 6: Final answer
    x = 693,810.30

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Similar ratio
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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.