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Finding the Fourth Proportional to 577,124.96, 865,780.46 and 177,765.55

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Solution

The fourth proportional to 577,124.96, 865,780.46 and 177,765.55 is: 266,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,124.96 : 865,780.46 = 177,765.55 : x
  2. Step 2: Convert to fraction form
    577,124.96/865,780.46 = 177,765.55/x
  3. Step 3: Cross multiply
    577,124.96x = 865,780.46 × 177,765.55
  4. Step 4: Simplify right side
    577,124.96x = 153,905,937,931.12
  5. Step 5: Solve for x
    x = 153,905,937,931.12/577,124.96
  6. Step 6: Final answer
    x = 266,676.97

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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.