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Finding the Fourth Proportional to 501,567.60, 751,476.56 and 417,865.44

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Solution

The fourth proportional to 501,567.60, 751,476.56 and 417,865.44 is: 626,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,567.60 : 751,476.56 = 417,865.44 : x
  2. Step 2: Convert to fraction form
    501,567.60/751,476.56 = 417,865.44/x
  3. Step 3: Cross multiply
    501,567.60x = 751,476.56 × 417,865.44
  4. Step 4: Simplify right side
    501,567.60x = 314,016,083,394.09
  5. Step 5: Solve for x
    x = 314,016,083,394.09/501,567.60
  6. Step 6: Final answer
    x = 626,069.31

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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.