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Finding the Fourth Proportional to 511,866.47, 767,799.61 and 174,910.01

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Solution

The fourth proportional to 511,866.47, 767,799.61 and 174,910.01 is: 262,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,866.47 : 767,799.61 = 174,910.01 : x
  2. Step 2: Convert to fraction form
    511,866.47/767,799.61 = 174,910.01/x
  3. Step 3: Cross multiply
    511,866.47x = 767,799.61 × 174,910.01
  4. Step 4: Simplify right side
    511,866.47x = 134,295,835,106.32
  5. Step 5: Solve for x
    x = 134,295,835,106.32/511,866.47
  6. Step 6: Final answer
    x = 262,364.98

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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.