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Finding the Fourth Proportional to 817,584, 1,226,445.12 and 226,608

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Solution

The fourth proportional to 817,584, 1,226,445.12 and 226,608 is: 339,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,584 : 1,226,445.12 = 226,608 : x
  2. Step 2: Convert to fraction form
    817,584/1,226,445.12 = 226,608/x
  3. Step 3: Cross multiply
    817,584x = 1,226,445.12 × 226,608
  4. Step 4: Simplify right side
    817,584x = 277,922,275,752.96
  5. Step 5: Solve for x
    x = 277,922,275,752.96/817,584
  6. Step 6: Final answer
    x = 339,931.16

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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.