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Finding the Fourth Proportional to 575,432.28, 863,117.73 and 176,073.31

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Solution

The fourth proportional to 575,432.28, 863,117.73 and 176,073.31 is: 264,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,432.28 : 863,117.73 = 176,073.31 : x
  2. Step 2: Convert to fraction form
    575,432.28/863,117.73 = 176,073.31/x
  3. Step 3: Cross multiply
    575,432.28x = 863,117.73 × 176,073.31
  4. Step 4: Simplify right side
    575,432.28x = 151,971,995,640.79
  5. Step 5: Solve for x
    x = 151,971,995,640.79/575,432.28
  6. Step 6: Final answer
    x = 264,100.57

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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.