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Finding the Fourth Proportional to 622,809.60, 934,214.40 and 544,077.60

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Solution

The fourth proportional to 622,809.60, 934,214.40 and 544,077.60 is: 816,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,809.60 : 934,214.40 = 544,077.60 : x
  2. Step 2: Convert to fraction form
    622,809.60/934,214.40 = 544,077.60/x
  3. Step 3: Cross multiply
    622,809.60x = 934,214.40 × 544,077.60
  4. Step 4: Simplify right side
    622,809.60x = 508,285,128,637.44
  5. Step 5: Solve for x
    x = 508,285,128,637.44/622,809.60
  6. Step 6: Final answer
    x = 816,116.40

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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.