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Finding the Fourth Proportional to 374,135.60, 561,203.40 and 149,530.70

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Solution

The fourth proportional to 374,135.60, 561,203.40 and 149,530.70 is: 224,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,135.60 : 561,203.40 = 149,530.70 : x
  2. Step 2: Convert to fraction form
    374,135.60/561,203.40 = 149,530.70/x
  3. Step 3: Cross multiply
    374,135.60x = 561,203.40 × 149,530.70
  4. Step 4: Simplify right side
    374,135.60x = 83,917,137,244.38
  5. Step 5: Solve for x
    x = 83,917,137,244.38/374,135.60
  6. Step 6: Final answer
    x = 224,296.05

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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.