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Finding the Fourth Proportional to 536,894.46, 740,919.42 and 295,178.72

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Solution

The fourth proportional to 536,894.46, 740,919.42 and 295,178.72 is: 407,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,894.46 : 740,919.42 = 295,178.72 : x
  2. Step 2: Convert to fraction form
    536,894.46/740,919.42 = 295,178.72/x
  3. Step 3: Cross multiply
    536,894.46x = 740,919.42 × 295,178.72
  4. Step 4: Simplify right side
    536,894.46x = 218,703,642,314.15
  5. Step 5: Solve for x
    x = 218,703,642,314.15/536,894.46
  6. Step 6: Final answer
    x = 407,349.41

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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.