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Finding the Fourth Proportional to 306,730.40, 460,063.20 and 96,357.20

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Solution

The fourth proportional to 306,730.40, 460,063.20 and 96,357.20 is: 144,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,730.40 : 460,063.20 = 96,357.20 : x
  2. Step 2: Convert to fraction form
    306,730.40/460,063.20 = 96,357.20/x
  3. Step 3: Cross multiply
    306,730.40x = 460,063.20 × 96,357.20
  4. Step 4: Simplify right side
    306,730.40x = 44,330,401,775.04
  5. Step 5: Solve for x
    x = 44,330,401,775.04/306,730.40
  6. Step 6: Final answer
    x = 144,525.62

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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.