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Finding the Fourth Proportional to 575,379.92, 863,038.67 and 176,020.74

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Solution

The fourth proportional to 575,379.92, 863,038.67 and 176,020.74 is: 264,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,379.92 : 863,038.67 = 176,020.74 : x
  2. Step 2: Convert to fraction form
    575,379.92/863,038.67 = 176,020.74/x
  3. Step 3: Cross multiply
    575,379.92x = 863,038.67 × 176,020.74
  4. Step 4: Simplify right side
    575,379.92x = 151,912,704,461.91
  5. Step 5: Solve for x
    x = 151,912,704,461.91/575,379.92
  6. Step 6: Final answer
    x = 264,021.56

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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.