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Finding the Fourth Proportional to 511,564.07, 767,134.95 and 174,631.88

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Solution

The fourth proportional to 511,564.07, 767,134.95 and 174,631.88 is: 261,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,564.07 : 767,134.95 = 174,631.88 : x
  2. Step 2: Convert to fraction form
    511,564.07/767,134.95 = 174,631.88/x
  3. Step 3: Cross multiply
    511,564.07x = 767,134.95 × 174,631.88
  4. Step 4: Simplify right side
    511,564.07x = 133,966,214,696.53
  5. Step 5: Solve for x
    x = 133,966,214,696.53/511,564.07
  6. Step 6: Final answer
    x = 261,875.73

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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.