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Finding the Fourth Proportional to 867,252.84, 1,300,871.95 and 677,872.50

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Solution

The fourth proportional to 867,252.84, 1,300,871.95 and 677,872.50 is: 1,016,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,252.84 : 1,300,871.95 = 677,872.50 : x
  2. Step 2: Convert to fraction form
    867,252.84/1,300,871.95 = 677,872.50/x
  3. Step 3: Cross multiply
    867,252.84x = 1,300,871.95 × 677,872.50
  4. Step 4: Simplify right side
    867,252.84x = 881,825,320,926.38
  5. Step 5: Solve for x
    x = 881,825,320,926.38/867,252.84
  6. Step 6: Final answer
    x = 1,016,803.04

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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.