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Finding the Fourth Proportional to 297,573.60, 446,384.68 and 139,715.94

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Solution

The fourth proportional to 297,573.60, 446,384.68 and 139,715.94 is: 209,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,573.60 : 446,384.68 = 139,715.94 : x
  2. Step 2: Convert to fraction form
    297,573.60/446,384.68 = 139,715.94/x
  3. Step 3: Cross multiply
    297,573.60x = 446,384.68 × 139,715.94
  4. Step 4: Simplify right side
    297,573.60x = 62,367,055,167.80
  5. Step 5: Solve for x
    x = 62,367,055,167.80/297,573.60
  6. Step 6: Final answer
    x = 209,585.31

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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.