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Finding the Fourth Proportional to 2,784,700.52, 4,177,054.04 and 762,961.60

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Solution

The fourth proportional to 2,784,700.52, 4,177,054.04 and 762,961.60 is: 1,144,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,700.52 : 4,177,054.04 = 762,961.60 : x
  2. Step 2: Convert to fraction form
    2,784,700.52/4,177,054.04 = 762,961.60/x
  3. Step 3: Cross multiply
    2,784,700.52x = 4,177,054.04 × 762,961.60
  4. Step 4: Simplify right side
    2,784,700.52x = 3,186,931,833,644.86
  5. Step 5: Solve for x
    x = 3,186,931,833,644.86/2,784,700.52
  6. Step 6: Final answer
    x = 1,144,443.29

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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.