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Finding the Fourth Proportional to 511,580.32, 767,239.52 and 151,667.04

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Solution

The fourth proportional to 511,580.32, 767,239.52 and 151,667.04 is: 227,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,580.32 : 767,239.52 = 151,667.04 : x
  2. Step 2: Convert to fraction form
    511,580.32/767,239.52 = 151,667.04/x
  3. Step 3: Cross multiply
    511,580.32x = 767,239.52 × 151,667.04
  4. Step 4: Simplify right side
    511,580.32x = 116,364,946,969.42
  5. Step 5: Solve for x
    x = 116,364,946,969.42/511,580.32
  6. Step 6: Final answer
    x = 227,461.73

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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.