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Finding the Fourth Proportional to 360,803.02, 541,816.90 and 313,476.34

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Solution

The fourth proportional to 360,803.02, 541,816.90 and 313,476.34 is: 470,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803.02 : 541,816.90 = 313,476.34 : x
  2. Step 2: Convert to fraction form
    360,803.02/541,816.90 = 313,476.34/x
  3. Step 3: Cross multiply
    360,803.02x = 541,816.90 × 313,476.34
  4. Step 4: Simplify right side
    360,803.02x = 169,846,778,762.15
  5. Step 5: Solve for x
    x = 169,846,778,762.15/360,803.02
  6. Step 6: Final answer
    x = 470,746.56

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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.