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Finding the Fourth Proportional to 356,075.84, 491,393.32 and 194,930.39

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Solution

The fourth proportional to 356,075.84, 491,393.32 and 194,930.39 is: 269,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,075.84 : 491,393.32 = 194,930.39 : x
  2. Step 2: Convert to fraction form
    356,075.84/491,393.32 = 194,930.39/x
  3. Step 3: Cross multiply
    356,075.84x = 491,393.32 × 194,930.39
  4. Step 4: Simplify right side
    356,075.84x = 95,787,490,536.34
  5. Step 5: Solve for x
    x = 95,787,490,536.34/356,075.84
  6. Step 6: Final answer
    x = 269,008.68

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1.5x scale

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.