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Finding the Fourth Proportional to 501,259.08, 750,558.42 and 392,100.60

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Solution

The fourth proportional to 501,259.08, 750,558.42 and 392,100.60 is: 587,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,259.08 : 750,558.42 = 392,100.60 : x
  2. Step 2: Convert to fraction form
    501,259.08/750,558.42 = 392,100.60/x
  3. Step 3: Cross multiply
    501,259.08x = 750,558.42 × 392,100.60
  4. Step 4: Simplify right side
    501,259.08x = 294,294,406,817.05
  5. Step 5: Solve for x
    x = 294,294,406,817.05/501,259.08
  6. Step 6: Final answer
    x = 587,110.38

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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.