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Finding the Fourth Proportional to 396,696.84, 596,075.58 and 370,780.08

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Solution

The fourth proportional to 396,696.84, 596,075.58 and 370,780.08 is: 557,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,696.84 : 596,075.58 = 370,780.08 : x
  2. Step 2: Convert to fraction form
    396,696.84/596,075.58 = 370,780.08/x
  3. Step 3: Cross multiply
    396,696.84x = 596,075.58 × 370,780.08
  4. Step 4: Simplify right side
    396,696.84x = 221,012,951,238.45
  5. Step 5: Solve for x
    x = 221,012,951,238.45/396,696.84
  6. Step 6: Final answer
    x = 557,133.13

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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.