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Finding the Fourth Proportional to 2,769,164.80, 4,154,308.80 and 1,571,660.80

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Solution

The fourth proportional to 2,769,164.80, 4,154,308.80 and 1,571,660.80 is: 2,357,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,164.80 : 4,154,308.80 = 1,571,660.80 : x
  2. Step 2: Convert to fraction form
    2,769,164.80/4,154,308.80 = 1,571,660.80/x
  3. Step 3: Cross multiply
    2,769,164.80x = 4,154,308.80 × 1,571,660.80
  4. Step 4: Simplify right side
    2,769,164.80x = 6,529,164,292,055.04
  5. Step 5: Solve for x
    x = 6,529,164,292,055.04/2,769,164.80
  6. Step 6: Final answer
    x = 2,357,809.94

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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.