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Finding the Fourth Proportional to 306,606.24, 459,978.48 and 93,393.18

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Solution

The fourth proportional to 306,606.24, 459,978.48 and 93,393.18 is: 140,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,606.24 : 459,978.48 = 93,393.18 : x
  2. Step 2: Convert to fraction form
    306,606.24/459,978.48 = 93,393.18/x
  3. Step 3: Cross multiply
    306,606.24x = 459,978.48 × 93,393.18
  4. Step 4: Simplify right side
    306,606.24x = 42,958,852,978.77
  5. Step 5: Solve for x
    x = 42,958,852,978.77/306,606.24
  6. Step 6: Final answer
    x = 140,110.82

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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.