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Finding the Fourth Proportional to 294,262.20, 440,802.54 and 249,090.12

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Solution

The fourth proportional to 294,262.20, 440,802.54 and 249,090.12 is: 373,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,262.20 : 440,802.54 = 249,090.12 : x
  2. Step 2: Convert to fraction form
    294,262.20/440,802.54 = 249,090.12/x
  3. Step 3: Cross multiply
    294,262.20x = 440,802.54 × 249,090.12
  4. Step 4: Simplify right side
    294,262.20x = 109,799,557,584.91
  5. Step 5: Solve for x
    x = 109,799,557,584.91/294,262.20
  6. Step 6: Final answer
    x = 373,135.11

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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.