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Finding the Fourth Proportional to 1,503,749.60, 2,256,142.80 and 662,904.80

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Solution

The fourth proportional to 1,503,749.60, 2,256,142.80 and 662,904.80 is: 994,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,749.60 : 2,256,142.80 = 662,904.80 : x
  2. Step 2: Convert to fraction form
    1,503,749.60/2,256,142.80 = 662,904.80/x
  3. Step 3: Cross multiply
    1,503,749.60x = 2,256,142.80 × 662,904.80
  4. Step 4: Simplify right side
    1,503,749.60x = 1,495,607,891,605.44
  5. Step 5: Solve for x
    x = 1,495,607,891,605.44/1,503,749.60
  6. Step 6: Final answer
    x = 994,585.73

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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.