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Finding the Fourth Proportional to 300,686.63, 450,703.92 and 150,565.01

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Solution

The fourth proportional to 300,686.63, 450,703.92 and 150,565.01 is: 225,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,686.63 : 450,703.92 = 150,565.01 : x
  2. Step 2: Convert to fraction form
    300,686.63/450,703.92 = 150,565.01/x
  3. Step 3: Cross multiply
    300,686.63x = 450,703.92 × 150,565.01
  4. Step 4: Simplify right side
    300,686.63x = 67,860,240,221.84
  5. Step 5: Solve for x
    x = 67,860,240,221.84/300,686.63
  6. Step 6: Final answer
    x = 225,684.26

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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.