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Finding the Fourth Proportional to 330,374.82, 495,580.98 and 93,698.76

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Solution

The fourth proportional to 330,374.82, 495,580.98 and 93,698.76 is: 140,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,374.82 : 495,580.98 = 93,698.76 : x
  2. Step 2: Convert to fraction form
    330,374.82/495,580.98 = 93,698.76/x
  3. Step 3: Cross multiply
    330,374.82x = 495,580.98 × 93,698.76
  4. Step 4: Simplify right side
    330,374.82x = 46,435,323,305.58
  5. Step 5: Solve for x
    x = 46,435,323,305.58/330,374.82
  6. Step 6: Final answer
    x = 140,553.46

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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.