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Finding the Fourth Proportional to 436,672.60, 653,453.70 and 302,925.40

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Solution

The fourth proportional to 436,672.60, 653,453.70 and 302,925.40 is: 453,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,672.60 : 653,453.70 = 302,925.40 : x
  2. Step 2: Convert to fraction form
    436,672.60/653,453.70 = 302,925.40/x
  3. Step 3: Cross multiply
    436,672.60x = 653,453.70 × 302,925.40
  4. Step 4: Simplify right side
    436,672.60x = 197,947,723,453.98
  5. Step 5: Solve for x
    x = 197,947,723,453.98/436,672.60
  6. Step 6: Final answer
    x = 453,309.24

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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.