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Finding the Fourth Proportional to 867,253.84, 1,300,873.45 and 677,873.50

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Solution

The fourth proportional to 867,253.84, 1,300,873.45 and 677,873.50 is: 1,016,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,253.84 : 1,300,873.45 = 677,873.50 : x
  2. Step 2: Convert to fraction form
    867,253.84/1,300,873.45 = 677,873.50/x
  3. Step 3: Cross multiply
    867,253.84x = 1,300,873.45 × 677,873.50
  4. Step 4: Simplify right side
    867,253.84x = 881,827,638,608.58
  5. Step 5: Solve for x
    x = 881,827,638,608.58/867,253.84
  6. Step 6: Final answer
    x = 1,016,804.54

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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.