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Finding the Fourth Proportional to 200,765.70, 301,148.55 and 197,655.30

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Solution

The fourth proportional to 200,765.70, 301,148.55 and 197,655.30 is: 296,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,765.70 : 301,148.55 = 197,655.30 : x
  2. Step 2: Convert to fraction form
    200,765.70/301,148.55 = 197,655.30/x
  3. Step 3: Cross multiply
    200,765.70x = 301,148.55 × 197,655.30
  4. Step 4: Simplify right side
    200,765.70x = 59,523,606,994.82
  5. Step 5: Solve for x
    x = 59,523,606,994.82/200,765.70
  6. Step 6: Final answer
    x = 296,482.95

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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.