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Finding the Fourth Proportional to 379,644.04, 569,811.02 and 202,302.60

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Solution

The fourth proportional to 379,644.04, 569,811.02 and 202,302.60 is: 303,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,644.04 : 569,811.02 = 202,302.60 : x
  2. Step 2: Convert to fraction form
    379,644.04/569,811.02 = 202,302.60/x
  3. Step 3: Cross multiply
    379,644.04x = 569,811.02 × 202,302.60
  4. Step 4: Simplify right side
    379,644.04x = 115,274,250,854.65
  5. Step 5: Solve for x
    x = 115,274,250,854.65/379,644.04
  6. Step 6: Final answer
    x = 303,637.72

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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.