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Finding the Fourth Proportional to 330,440.76, 495,652.41 and 93,783.45

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Solution

The fourth proportional to 330,440.76, 495,652.41 and 93,783.45 is: 140,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,440.76 : 495,652.41 = 93,783.45 : x
  2. Step 2: Convert to fraction form
    330,440.76/495,652.41 = 93,783.45/x
  3. Step 3: Cross multiply
    330,440.76x = 495,652.41 × 93,783.45
  4. Step 4: Simplify right side
    330,440.76x = 46,483,993,010.61
  5. Step 5: Solve for x
    x = 46,483,993,010.61/330,440.76
  6. Step 6: Final answer
    x = 140,672.70

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1.5x scale

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.