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Finding the Fourth Proportional to 491,582.80, 737,374.20 and 441,719.20

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Solution

The fourth proportional to 491,582.80, 737,374.20 and 441,719.20 is: 662,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,582.80 : 737,374.20 = 441,719.20 : x
  2. Step 2: Convert to fraction form
    491,582.80/737,374.20 = 441,719.20/x
  3. Step 3: Cross multiply
    491,582.80x = 737,374.20 × 441,719.20
  4. Step 4: Simplify right side
    491,582.80x = 325,712,341,724.64
  5. Step 5: Solve for x
    x = 325,712,341,724.64/491,582.80
  6. Step 6: Final answer
    x = 662,578.80

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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.