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Finding the Fourth Proportional to 550,412.52, 825,618.78 and 550,412.52

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Solution

The fourth proportional to 550,412.52, 825,618.78 and 550,412.52 is: 825,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,412.52 : 825,618.78 = 550,412.52 : x
  2. Step 2: Convert to fraction form
    550,412.52/825,618.78 = 550,412.52/x
  3. Step 3: Cross multiply
    550,412.52x = 825,618.78 × 550,412.52
  4. Step 4: Simplify right side
    550,412.52x = 454,430,913,259.13
  5. Step 5: Solve for x
    x = 454,430,913,259.13/550,412.52
  6. Step 6: Final answer
    x = 825,618.78

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1.5x scale

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.