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Finding the Fourth Proportional to 294,001.90, 439,836.45 and 254,992.30

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Solution

The fourth proportional to 294,001.90, 439,836.45 and 254,992.30 is: 381,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,001.90 : 439,836.45 = 254,992.30 : x
  2. Step 2: Convert to fraction form
    294,001.90/439,836.45 = 254,992.30/x
  3. Step 3: Cross multiply
    294,001.90x = 439,836.45 × 254,992.30
  4. Step 4: Simplify right side
    294,001.90x = 112,154,908,009.34
  5. Step 5: Solve for x
    x = 112,154,908,009.34/294,001.90
  6. Step 6: Final answer
    x = 381,476.81

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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.