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Finding the Fourth Proportional to 575,689.96, 863,576.46 and 176,278.84

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Solution

The fourth proportional to 575,689.96, 863,576.46 and 176,278.84 is: 264,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,689.96 : 863,576.46 = 176,278.84 : x
  2. Step 2: Convert to fraction form
    575,689.96/863,576.46 = 176,278.84/x
  3. Step 3: Cross multiply
    575,689.96x = 863,576.46 × 176,278.84
  4. Step 4: Simplify right side
    575,689.96x = 152,230,256,620.11
  5. Step 5: Solve for x
    x = 152,230,256,620.11/575,689.96
  6. Step 6: Final answer
    x = 264,430.97

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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.