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Finding the Fourth Proportional to 373,594, 515,559.72 and 239,458

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Solution

The fourth proportional to 373,594, 515,559.72 and 239,458 is: 330,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,594 : 515,559.72 = 239,458 : x
  2. Step 2: Convert to fraction form
    373,594/515,559.72 = 239,458/x
  3. Step 3: Cross multiply
    373,594x = 515,559.72 × 239,458
  4. Step 4: Simplify right side
    373,594x = 123,454,899,431.76
  5. Step 5: Solve for x
    x = 123,454,899,431.76/373,594
  6. Step 6: Final answer
    x = 330,452.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.