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Finding the Fourth Proportional to 518,200.01, 777,300.03 and 202,435.49

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Solution

The fourth proportional to 518,200.01, 777,300.03 and 202,435.49 is: 303,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,200.01 : 777,300.03 = 202,435.49 : x
  2. Step 2: Convert to fraction form
    518,200.01/777,300.03 = 202,435.49/x
  3. Step 3: Cross multiply
    518,200.01x = 777,300.03 × 202,435.49
  4. Step 4: Simplify right side
    518,200.01x = 157,353,112,450.07
  5. Step 5: Solve for x
    x = 157,353,112,450.07/518,200.01
  6. Step 6: Final answer
    x = 303,653.24

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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.