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Finding the Fourth Proportional to 882,581.60, 1,214,140.61 and 773,193.32

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Solution

The fourth proportional to 882,581.60, 1,214,140.61 and 773,193.32 is: 1,063,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,581.60 : 1,214,140.61 = 773,193.32 : x
  2. Step 2: Convert to fraction form
    882,581.60/1,214,140.61 = 773,193.32/x
  3. Step 3: Cross multiply
    882,581.60x = 1,214,140.61 × 773,193.32
  4. Step 4: Simplify right side
    882,581.60x = 938,765,399,256.06
  5. Step 5: Solve for x
    x = 938,765,399,256.06/882,581.60
  6. Step 6: Final answer
    x = 1,063,658.48

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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.