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Finding the Fourth Proportional to 491,881.84, 737,752.67 and 154,913.72

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Solution

The fourth proportional to 491,881.84, 737,752.67 and 154,913.72 is: 232,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,881.84 : 737,752.67 = 154,913.72 : x
  2. Step 2: Convert to fraction form
    491,881.84/737,752.67 = 154,913.72/x
  3. Step 3: Cross multiply
    491,881.84x = 737,752.67 × 154,913.72
  4. Step 4: Simplify right side
    491,881.84x = 114,288,010,549.63
  5. Step 5: Solve for x
    x = 114,288,010,549.63/491,881.84
  6. Step 6: Final answer
    x = 232,348.51

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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.