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Finding the Fourth Proportional to 437,494.86, 655,503.57 and 268,663.32

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Solution

The fourth proportional to 437,494.86, 655,503.57 and 268,663.32 is: 402,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,494.86 : 655,503.57 = 268,663.32 : x
  2. Step 2: Convert to fraction form
    437,494.86/655,503.57 = 268,663.32/x
  3. Step 3: Cross multiply
    437,494.86x = 655,503.57 × 268,663.32
  4. Step 4: Simplify right side
    437,494.86x = 176,109,765,388.05
  5. Step 5: Solve for x
    x = 176,109,765,388.05/437,494.86
  6. Step 6: Final answer
    x = 402,541.34

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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.