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Finding the Fourth Proportional to 368,416.70, 552,625.05 and 368,416.70

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Solution

The fourth proportional to 368,416.70, 552,625.05 and 368,416.70 is: 552,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,416.70 : 552,625.05 = 368,416.70 : x
  2. Step 2: Convert to fraction form
    368,416.70/552,625.05 = 368,416.70/x
  3. Step 3: Cross multiply
    368,416.70x = 552,625.05 × 368,416.70
  4. Step 4: Simplify right side
    368,416.70x = 203,596,297,258.34
  5. Step 5: Solve for x
    x = 203,596,297,258.34/368,416.70
  6. Step 6: Final answer
    x = 552,625.05

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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.