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Finding the Fourth Proportional to 297,884.80, 446,827.20 and 265,225.60

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Solution

The fourth proportional to 297,884.80, 446,827.20 and 265,225.60 is: 397,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,884.80 : 446,827.20 = 265,225.60 : x
  2. Step 2: Convert to fraction form
    297,884.80/446,827.20 = 265,225.60/x
  3. Step 3: Cross multiply
    297,884.80x = 446,827.20 × 265,225.60
  4. Step 4: Simplify right side
    297,884.80x = 118,510,012,216.32
  5. Step 5: Solve for x
    x = 118,510,012,216.32/297,884.80
  6. Step 6: Final answer
    x = 397,838.40

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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.