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Finding the Fourth Proportional to 437,730.80, 656,596.20 and 297,762.80

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Solution

The fourth proportional to 437,730.80, 656,596.20 and 297,762.80 is: 446,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,730.80 : 656,596.20 = 297,762.80 : x
  2. Step 2: Convert to fraction form
    437,730.80/656,596.20 = 297,762.80/x
  3. Step 3: Cross multiply
    437,730.80x = 656,596.20 × 297,762.80
  4. Step 4: Simplify right side
    437,730.80x = 195,509,922,981.36
  5. Step 5: Solve for x
    x = 195,509,922,981.36/437,730.80
  6. Step 6: Final answer
    x = 446,644.20

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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.