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Finding the Fourth Proportional to 306,671.12, 460,084.80 and 117,131.12

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Solution

The fourth proportional to 306,671.12, 460,084.80 and 117,131.12 is: 175,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,671.12 : 460,084.80 = 117,131.12 : x
  2. Step 2: Convert to fraction form
    306,671.12/460,084.80 = 117,131.12/x
  3. Step 3: Cross multiply
    306,671.12x = 460,084.80 × 117,131.12
  4. Step 4: Simplify right side
    306,671.12x = 53,890,247,918.98
  5. Step 5: Solve for x
    x = 53,890,247,918.98/306,671.12
  6. Step 6: Final answer
    x = 175,726.52

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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.