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Finding the Fourth Proportional to 374,844.54, 561,372.99 and 239,482.78

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Solution

The fourth proportional to 374,844.54, 561,372.99 and 239,482.78 is: 358,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,844.54 : 561,372.99 = 239,482.78 : x
  2. Step 2: Convert to fraction form
    374,844.54/561,372.99 = 239,482.78/x
  3. Step 3: Cross multiply
    374,844.54x = 561,372.99 × 239,482.78
  4. Step 4: Simplify right side
    374,844.54x = 134,439,166,012.78
  5. Step 5: Solve for x
    x = 134,439,166,012.78/374,844.54
  6. Step 6: Final answer
    x = 358,653.13

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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.