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Finding the Fourth Proportional to 360,804.02, 541,818.40 and 313,477.34

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Solution

The fourth proportional to 360,804.02, 541,818.40 and 313,477.34 is: 470,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,804.02 : 541,818.40 = 313,477.34 : x
  2. Step 2: Convert to fraction form
    360,804.02/541,818.40 = 313,477.34/x
  3. Step 3: Cross multiply
    360,804.02x = 541,818.40 × 313,477.34
  4. Step 4: Simplify right side
    360,804.02x = 169,847,790,795.06
  5. Step 5: Solve for x
    x = 169,847,790,795.06/360,804.02
  6. Step 6: Final answer
    x = 470,748.06

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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.