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Finding the Fourth Proportional to 511,880.35, 767,820.45 and 174,923.92

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Solution

The fourth proportional to 511,880.35, 767,820.45 and 174,923.92 is: 262,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,880.35 : 767,820.45 = 174,923.92 : x
  2. Step 2: Convert to fraction form
    511,880.35/767,820.45 = 174,923.92/x
  3. Step 3: Cross multiply
    511,880.35x = 767,820.45 × 174,923.92
  4. Step 4: Simplify right side
    511,880.35x = 134,310,162,970.16
  5. Step 5: Solve for x
    x = 134,310,162,970.16/511,880.35
  6. Step 6: Final answer
    x = 262,385.85

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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.