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Finding the Fourth Proportional to 330,346.81, 495,538.98 and 93,670.75

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Solution

The fourth proportional to 330,346.81, 495,538.98 and 93,670.75 is: 140,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,346.81 : 495,538.98 = 93,670.75 : x
  2. Step 2: Convert to fraction form
    330,346.81/495,538.98 = 93,670.75/x
  3. Step 3: Cross multiply
    330,346.81x = 495,538.98 × 93,670.75
  4. Step 4: Simplify right side
    330,346.81x = 46,417,507,910.84
  5. Step 5: Solve for x
    x = 46,417,507,910.84/330,346.81
  6. Step 6: Final answer
    x = 140,511.45

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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.