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Finding the Fourth Proportional to 306,799.40, 460,230.51 and 117,419.03

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Solution

The fourth proportional to 306,799.40, 460,230.51 and 117,419.03 is: 176,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,799.40 : 460,230.51 = 117,419.03 : x
  2. Step 2: Convert to fraction form
    306,799.40/460,230.51 = 117,419.03/x
  3. Step 3: Cross multiply
    306,799.40x = 460,230.51 × 117,419.03
  4. Step 4: Simplify right side
    306,799.40x = 54,039,820,060.61
  5. Step 5: Solve for x
    x = 54,039,820,060.61/306,799.40
  6. Step 6: Final answer
    x = 176,140.57

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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.