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Finding the Fourth Proportional to 368,429.40, 552,644.10 and 363,763.80

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Solution

The fourth proportional to 368,429.40, 552,644.10 and 363,763.80 is: 545,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,429.40 : 552,644.10 = 363,763.80 : x
  2. Step 2: Convert to fraction form
    368,429.40/552,644.10 = 363,763.80/x
  3. Step 3: Cross multiply
    368,429.40x = 552,644.10 × 363,763.80
  4. Step 4: Simplify right side
    368,429.40x = 201,031,917,863.58
  5. Step 5: Solve for x
    x = 201,031,917,863.58/368,429.40
  6. Step 6: Final answer
    x = 545,645.70

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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.