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Finding the Fourth Proportional to 541,868.36, 747,784.34 and 300,154.64

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Solution

The fourth proportional to 541,868.36, 747,784.34 and 300,154.64 is: 414,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,868.36 : 747,784.34 = 300,154.64 : x
  2. Step 2: Convert to fraction form
    541,868.36/747,784.34 = 300,154.64/x
  3. Step 3: Cross multiply
    541,868.36x = 747,784.34 × 300,154.64
  4. Step 4: Simplify right side
    541,868.36x = 224,450,939,370.34
  5. Step 5: Solve for x
    x = 224,450,939,370.34/541,868.36
  6. Step 6: Final answer
    x = 414,216.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.