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Finding the Fourth Proportional to 737,411.64, 1,106,546.76 and 310,920.72

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Solution

The fourth proportional to 737,411.64, 1,106,546.76 and 310,920.72 is: 466,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,411.64 : 1,106,546.76 = 310,920.72 : x
  2. Step 2: Convert to fraction form
    737,411.64/1,106,546.76 = 310,920.72/x
  3. Step 3: Cross multiply
    737,411.64x = 1,106,546.76 × 310,920.72
  4. Step 4: Simplify right side
    737,411.64x = 344,048,315,332.87
  5. Step 5: Solve for x
    x = 344,048,315,332.87/737,411.64
  6. Step 6: Final answer
    x = 466,562.09

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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.