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Finding the Fourth Proportional to 993,266.40, 1,489,899.60 and 893,733.60

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Solution

The fourth proportional to 993,266.40, 1,489,899.60 and 893,733.60 is: 1,340,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,266.40 : 1,489,899.60 = 893,733.60 : x
  2. Step 2: Convert to fraction form
    993,266.40/1,489,899.60 = 893,733.60/x
  3. Step 3: Cross multiply
    993,266.40x = 1,489,899.60 × 893,733.60
  4. Step 4: Simplify right side
    993,266.40x = 1,331,573,333,146.56
  5. Step 5: Solve for x
    x = 1,331,573,333,146.56/993,266.40
  6. Step 6: Final answer
    x = 1,340,600.40

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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.