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Finding the Fourth Proportional to 669,957.80, 1,004,061.90 and 482,750.60

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Solution

The fourth proportional to 669,957.80, 1,004,061.90 and 482,750.60 is: 723,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,957.80 : 1,004,061.90 = 482,750.60 : x
  2. Step 2: Convert to fraction form
    669,957.80/1,004,061.90 = 482,750.60/x
  3. Step 3: Cross multiply
    669,957.80x = 1,004,061.90 × 482,750.60
  4. Step 4: Simplify right side
    669,957.80x = 484,711,484,662.14
  5. Step 5: Solve for x
    x = 484,711,484,662.14/669,957.80
  6. Step 6: Final answer
    x = 723,495.55

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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.