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Finding the Fourth Proportional to 574,748.52, 793,153.02 and 320,099.70

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Solution

The fourth proportional to 574,748.52, 793,153.02 and 320,099.70 is: 441,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,748.52 : 793,153.02 = 320,099.70 : x
  2. Step 2: Convert to fraction form
    574,748.52/793,153.02 = 320,099.70/x
  3. Step 3: Cross multiply
    574,748.52x = 793,153.02 × 320,099.70
  4. Step 4: Simplify right side
    574,748.52x = 253,888,043,756.09
  5. Step 5: Solve for x
    x = 253,888,043,756.09/574,748.52
  6. Step 6: Final answer
    x = 441,737.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.