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Finding the Fourth Proportional to 2,784,534.03, 4,176,804.69 and 762,795.90

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Solution

The fourth proportional to 2,784,534.03, 4,176,804.69 and 762,795.90 is: 1,144,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,534.03 : 4,176,804.69 = 762,795.90 : x
  2. Step 2: Convert to fraction form
    2,784,534.03/4,176,804.69 = 762,795.90/x
  3. Step 3: Cross multiply
    2,784,534.03x = 4,176,804.69 × 762,795.90
  4. Step 4: Simplify right side
    2,784,534.03x = 3,186,049,492,632.77
  5. Step 5: Solve for x
    x = 3,186,049,492,632.77/2,784,534.03
  6. Step 6: Final answer
    x = 1,144,194.85

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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.