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Finding the Fourth Proportional to 306,800.40, 460,232.02 and 117,420.04

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Solution

The fourth proportional to 306,800.40, 460,232.02 and 117,420.04 is: 176,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,800.40 : 460,232.02 = 117,420.04 : x
  2. Step 2: Convert to fraction form
    306,800.40/460,232.02 = 117,420.04/x
  3. Step 3: Cross multiply
    306,800.40x = 460,232.02 × 117,420.04
  4. Step 4: Simplify right side
    306,800.40x = 54,040,462,197.68
  5. Step 5: Solve for x
    x = 54,040,462,197.68/306,800.40
  6. Step 6: Final answer
    x = 176,142.09

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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.