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Finding the Fourth Proportional to 624,779.70, 936,975.45 and 225,368.58

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Solution

The fourth proportional to 624,779.70, 936,975.45 and 225,368.58 is: 337,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,779.70 : 936,975.45 = 225,368.58 : x
  2. Step 2: Convert to fraction form
    624,779.70/936,975.45 = 225,368.58/x
  3. Step 3: Cross multiply
    624,779.70x = 936,975.45 × 225,368.58
  4. Step 4: Simplify right side
    624,779.70x = 211,164,826,661.36
  5. Step 5: Solve for x
    x = 211,164,826,661.36/624,779.70
  6. Step 6: Final answer
    x = 337,982.85

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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.