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Finding the Fourth Proportional to 306,424.01, 459,639.23 and 93,226.64

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Solution

The fourth proportional to 306,424.01, 459,639.23 and 93,226.64 is: 139,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,424.01 : 459,639.23 = 93,226.64 : x
  2. Step 2: Convert to fraction form
    306,424.01/459,639.23 = 93,226.64/x
  3. Step 3: Cross multiply
    306,424.01x = 459,639.23 × 93,226.64
  4. Step 4: Simplify right side
    306,424.01x = 42,850,618,260.76
  5. Step 5: Solve for x
    x = 42,850,618,260.76/306,424.01
  6. Step 6: Final answer
    x = 139,840.93

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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.