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Finding the Fourth Proportional to 737,944.10, 1,018,371.12 and 431,953.64

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Solution

The fourth proportional to 737,944.10, 1,018,371.12 and 431,953.64 is: 596,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,944.10 : 1,018,371.12 = 431,953.64 : x
  2. Step 2: Convert to fraction form
    737,944.10/1,018,371.12 = 431,953.64/x
  3. Step 3: Cross multiply
    737,944.10x = 1,018,371.12 × 431,953.64
  4. Step 4: Simplify right side
    737,944.10x = 439,889,112,154.88
  5. Step 5: Solve for x
    x = 439,889,112,154.88/737,944.10
  6. Step 6: Final answer
    x = 596,100.86

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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.