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Finding the Fourth Proportional to 447,043.52, 616,901.29 and 253,464.26

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Solution

The fourth proportional to 447,043.52, 616,901.29 and 253,464.26 is: 349,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,043.52 : 616,901.29 = 253,464.26 : x
  2. Step 2: Convert to fraction form
    447,043.52/616,901.29 = 253,464.26/x
  3. Step 3: Cross multiply
    447,043.52x = 616,901.29 × 253,464.26
  4. Step 4: Simplify right side
    447,043.52x = 156,362,425,244.73
  5. Step 5: Solve for x
    x = 156,362,425,244.73/447,043.52
  6. Step 6: Final answer
    x = 349,770.03

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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.