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Finding the Fourth Proportional to 737,750.17, 1,018,138.62 and 451,325.15

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Solution

The fourth proportional to 737,750.17, 1,018,138.62 and 451,325.15 is: 622,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,750.17 : 1,018,138.62 = 451,325.15 : x
  2. Step 2: Convert to fraction form
    737,750.17/1,018,138.62 = 451,325.15/x
  3. Step 3: Cross multiply
    737,750.17x = 1,018,138.62 × 451,325.15
  4. Step 4: Simplify right side
    737,750.17x = 459,511,565,392.29
  5. Step 5: Solve for x
    x = 459,511,565,392.29/737,750.17
  6. Step 6: Final answer
    x = 622,855.25

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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.