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Finding the Fourth Proportional to 609,762.48, 914,274.33 and 272,740.32

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Solution

The fourth proportional to 609,762.48, 914,274.33 and 272,740.32 is: 408,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,762.48 : 914,274.33 = 272,740.32 : x
  2. Step 2: Convert to fraction form
    609,762.48/914,274.33 = 272,740.32/x
  3. Step 3: Cross multiply
    609,762.48x = 914,274.33 × 272,740.32
  4. Step 4: Simplify right side
    609,762.48x = 249,359,473,331.99
  5. Step 5: Solve for x
    x = 249,359,473,331.99/609,762.48
  6. Step 6: Final answer
    x = 408,945.26

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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.