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Finding the Fourth Proportional to 536,542.79, 740,216.88 and 345,667.50

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Solution

The fourth proportional to 536,542.79, 740,216.88 and 345,667.50 is: 476,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,542.79 : 740,216.88 = 345,667.50 : x
  2. Step 2: Convert to fraction form
    536,542.79/740,216.88 = 345,667.50/x
  3. Step 3: Cross multiply
    536,542.79x = 740,216.88 × 345,667.50
  4. Step 4: Simplify right side
    536,542.79x = 255,868,918,367.40
  5. Step 5: Solve for x
    x = 255,868,918,367.40/536,542.79
  6. Step 6: Final answer
    x = 476,884.46

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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.