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Finding the Fourth Proportional to 682,602.60, 1,023,903.90 and 493,645.80

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Solution

The fourth proportional to 682,602.60, 1,023,903.90 and 493,645.80 is: 740,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,602.60 : 1,023,903.90 = 493,645.80 : x
  2. Step 2: Convert to fraction form
    682,602.60/1,023,903.90 = 493,645.80/x
  3. Step 3: Cross multiply
    682,602.60x = 1,023,903.90 × 493,645.80
  4. Step 4: Simplify right side
    682,602.60x = 505,445,859,838.62
  5. Step 5: Solve for x
    x = 505,445,859,838.62/682,602.60
  6. Step 6: Final answer
    x = 740,468.70

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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.