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Finding the Fourth Proportional to 669,959.80, 1,004,064.90 and 482,752.60

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Solution

The fourth proportional to 669,959.80, 1,004,064.90 and 482,752.60 is: 723,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,959.80 : 1,004,064.90 = 482,752.60 : x
  2. Step 2: Convert to fraction form
    669,959.80/1,004,064.90 = 482,752.60/x
  3. Step 3: Cross multiply
    669,959.80x = 1,004,064.90 × 482,752.60
  4. Step 4: Simplify right side
    669,959.80x = 484,714,941,043.74
  5. Step 5: Solve for x
    x = 484,714,941,043.74/669,959.80
  6. Step 6: Final answer
    x = 723,498.55

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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.