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Finding the Fourth Proportional to 253,458.42, 349,748.82 and 151,463.58

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Solution

The fourth proportional to 253,458.42, 349,748.82 and 151,463.58 is: 209,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,458.42 : 349,748.82 = 151,463.58 : x
  2. Step 2: Convert to fraction form
    253,458.42/349,748.82 = 151,463.58/x
  3. Step 3: Cross multiply
    253,458.42x = 349,748.82 × 151,463.58
  4. Step 4: Simplify right side
    253,458.42x = 52,974,208,377.98
  5. Step 5: Solve for x
    x = 52,974,208,377.98/253,458.42
  6. Step 6: Final answer
    x = 209,005.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.