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Finding the Fourth Proportional to 306,267.36, 459,400.90 and 93,034.45

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Solution

The fourth proportional to 306,267.36, 459,400.90 and 93,034.45 is: 139,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,267.36 : 459,400.90 = 93,034.45 : x
  2. Step 2: Convert to fraction form
    306,267.36/459,400.90 = 93,034.45/x
  3. Step 3: Cross multiply
    306,267.36x = 459,400.90 × 93,034.45
  4. Step 4: Simplify right side
    306,267.36x = 42,740,109,285.04
  5. Step 5: Solve for x
    x = 42,740,109,285.04/306,267.36
  6. Step 6: Final answer
    x = 139,551.63

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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.