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Finding the Fourth Proportional to 1,047,242, 1,445,193.96 and 570,314

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Solution

The fourth proportional to 1,047,242, 1,445,193.96 and 570,314 is: 787,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,242 : 1,445,193.96 = 570,314 : x
  2. Step 2: Convert to fraction form
    1,047,242/1,445,193.96 = 570,314/x
  3. Step 3: Cross multiply
    1,047,242x = 1,445,193.96 × 570,314
  4. Step 4: Simplify right side
    1,047,242x = 824,214,348,103.44
  5. Step 5: Solve for x
    x = 824,214,348,103.44/1,047,242
  6. Step 6: Final answer
    x = 787,033.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.