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Finding the Fourth Proportional to 575,380.88, 863,040 and 176,021.63

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Solution

The fourth proportional to 575,380.88, 863,040 and 176,021.63 is: 264,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,380.88 : 863,040 = 176,021.63 : x
  2. Step 2: Convert to fraction form
    575,380.88/863,040 = 176,021.63/x
  3. Step 3: Cross multiply
    575,380.88x = 863,040 × 176,021.63
  4. Step 4: Simplify right side
    575,380.88x = 151,913,707,555.20
  5. Step 5: Solve for x
    x = 151,913,707,555.20/575,380.88
  6. Step 6: Final answer
    x = 264,022.86

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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.