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Finding the Fourth Proportional to 333,639.41, 500,486.45 and 96,981.84

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Solution

The fourth proportional to 333,639.41, 500,486.45 and 96,981.84 is: 145,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,639.41 : 500,486.45 = 96,981.84 : x
  2. Step 2: Convert to fraction form
    333,639.41/500,486.45 = 96,981.84/x
  3. Step 3: Cross multiply
    333,639.41x = 500,486.45 × 96,981.84
  4. Step 4: Simplify right side
    333,639.41x = 48,538,096,331.16
  5. Step 5: Solve for x
    x = 48,538,096,331.16/333,639.41
  6. Step 6: Final answer
    x = 145,480.71

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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.