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Finding the Fourth Proportional to 892,113.60, 1,337,781.60 and 359,457.60

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Solution

The fourth proportional to 892,113.60, 1,337,781.60 and 359,457.60 is: 539,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,113.60 : 1,337,781.60 = 359,457.60 : x
  2. Step 2: Convert to fraction form
    892,113.60/1,337,781.60 = 359,457.60/x
  3. Step 3: Cross multiply
    892,113.60x = 1,337,781.60 × 359,457.60
  4. Step 4: Simplify right side
    892,113.60x = 480,875,763,260.16
  5. Step 5: Solve for x
    x = 480,875,763,260.16/892,113.60
  6. Step 6: Final answer
    x = 539,029.74

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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.