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Finding the Fourth Proportional to 251,892.90, 378,045.90 and 249,924.60

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Solution

The fourth proportional to 251,892.90, 378,045.90 and 249,924.60 is: 375,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,892.90 : 378,045.90 = 249,924.60 : x
  2. Step 2: Convert to fraction form
    251,892.90/378,045.90 = 249,924.60/x
  3. Step 3: Cross multiply
    251,892.90x = 378,045.90 × 249,924.60
  4. Step 4: Simplify right side
    251,892.90x = 94,482,970,339.14
  5. Step 5: Solve for x
    x = 94,482,970,339.14/251,892.90
  6. Step 6: Final answer
    x = 375,091.84

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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.