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Finding the Fourth Proportional to 341,776.60, 511,455.30 and 297,885.40

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Solution

The fourth proportional to 341,776.60, 511,455.30 and 297,885.40 is: 445,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,776.60 : 511,455.30 = 297,885.40 : x
  2. Step 2: Convert to fraction form
    341,776.60/511,455.30 = 297,885.40/x
  3. Step 3: Cross multiply
    341,776.60x = 511,455.30 × 297,885.40
  4. Step 4: Simplify right side
    341,776.60x = 152,355,066,622.62
  5. Step 5: Solve for x
    x = 152,355,066,622.62/341,776.60
  6. Step 6: Final answer
    x = 445,773.84

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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.