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Finding the Fourth Proportional to 585,624.80, 878,475.60 and 164,914.40

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Solution

The fourth proportional to 585,624.80, 878,475.60 and 164,914.40 is: 247,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,624.80 : 878,475.60 = 164,914.40 : x
  2. Step 2: Convert to fraction form
    585,624.80/878,475.60 = 164,914.40/x
  3. Step 3: Cross multiply
    585,624.80x = 878,475.60 × 164,914.40
  4. Step 4: Simplify right side
    585,624.80x = 144,873,276,488.64
  5. Step 5: Solve for x
    x = 144,873,276,488.64/585,624.80
  6. Step 6: Final answer
    x = 247,382.41

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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.