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Finding the Fourth Proportional to 511,619.63, 767,428.91 and 174,632.32

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Solution

The fourth proportional to 511,619.63, 767,428.91 and 174,632.32 is: 261,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,619.63 : 767,428.91 = 174,632.32 : x
  2. Step 2: Convert to fraction form
    511,619.63/767,428.91 = 174,632.32/x
  3. Step 3: Cross multiply
    511,619.63x = 767,428.91 × 174,632.32
  4. Step 4: Simplify right side
    511,619.63x = 134,017,886,278.07
  5. Step 5: Solve for x
    x = 134,017,886,278.07/511,619.63
  6. Step 6: Final answer
    x = 261,948.29

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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.