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Finding the Fourth Proportional to 491,674.60, 736,734.30 and 365,703.40

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Solution

The fourth proportional to 491,674.60, 736,734.30 and 365,703.40 is: 547,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,674.60 : 736,734.30 = 365,703.40 : x
  2. Step 2: Convert to fraction form
    491,674.60/736,734.30 = 365,703.40/x
  3. Step 3: Cross multiply
    491,674.60x = 736,734.30 × 365,703.40
  4. Step 4: Simplify right side
    491,674.60x = 269,426,238,406.62
  5. Step 5: Solve for x
    x = 269,426,238,406.62/491,674.60
  6. Step 6: Final answer
    x = 547,976.73

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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.