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Finding the Fourth Proportional to 1,042,804, 1,439,069.52 and 565,876

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Solution

The fourth proportional to 1,042,804, 1,439,069.52 and 565,876 is: 780,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,804 : 1,439,069.52 = 565,876 : x
  2. Step 2: Convert to fraction form
    1,042,804/1,439,069.52 = 565,876/x
  3. Step 3: Cross multiply
    1,042,804x = 1,439,069.52 × 565,876
  4. Step 4: Simplify right side
    1,042,804x = 814,334,903,699.52
  5. Step 5: Solve for x
    x = 814,334,903,699.52/1,042,804
  6. Step 6: Final answer
    x = 780,908.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.