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Finding the Fourth Proportional to 491,103.90, 735,964.65 and 363,750.30

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Solution

The fourth proportional to 491,103.90, 735,964.65 and 363,750.30 is: 545,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,103.90 : 735,964.65 = 363,750.30 : x
  2. Step 2: Convert to fraction form
    491,103.90/735,964.65 = 363,750.30/x
  3. Step 3: Cross multiply
    491,103.90x = 735,964.65 × 363,750.30
  4. Step 4: Simplify right side
    491,103.90x = 267,707,362,226.90
  5. Step 5: Solve for x
    x = 267,707,362,226.90/491,103.90
  6. Step 6: Final answer
    x = 545,113.49

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1.5x scale

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.