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Finding the Fourth Proportional to 1,046,575.55, 1,569,863.33 and 836,623.55

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Solution

The fourth proportional to 1,046,575.55, 1,569,863.33 and 836,623.55 is: 1,254,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,575.55 : 1,569,863.33 = 836,623.55 : x
  2. Step 2: Convert to fraction form
    1,046,575.55/1,569,863.33 = 836,623.55/x
  3. Step 3: Cross multiply
    1,046,575.55x = 1,569,863.33 × 836,623.55
  4. Step 4: Simplify right side
    1,046,575.55x = 1,313,384,627,976.30
  5. Step 5: Solve for x
    x = 1,313,384,627,976.30/1,046,575.55
  6. Step 6: Final answer
    x = 1,254,935.33

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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.