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Finding the Fourth Proportional to 330,306, 495,483.71 and 93,667.74

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Solution

The fourth proportional to 330,306, 495,483.71 and 93,667.74 is: 140,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,306 : 495,483.71 = 93,667.74 : x
  2. Step 2: Convert to fraction form
    330,306/495,483.71 = 93,667.74/x
  3. Step 3: Cross multiply
    330,306x = 495,483.71 × 93,667.74
  4. Step 4: Simplify right side
    330,306x = 46,410,838,854.18
  5. Step 5: Solve for x
    x = 46,410,838,854.18/330,306
  6. Step 6: Final answer
    x = 140,508.62

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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.