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Finding the Fourth Proportional to 288,076.31, 432,307.32 and 119,596.77

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Solution

The fourth proportional to 288,076.31, 432,307.32 and 119,596.77 is: 179,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,076.31 : 432,307.32 = 119,596.77 : x
  2. Step 2: Convert to fraction form
    288,076.31/432,307.32 = 119,596.77/x
  3. Step 3: Cross multiply
    288,076.31x = 432,307.32 × 119,596.77
  4. Step 4: Simplify right side
    288,076.31x = 51,702,558,521.37
  5. Step 5: Solve for x
    x = 51,702,558,521.37/288,076.31
  6. Step 6: Final answer
    x = 179,475.22

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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.