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Finding the Fourth Proportional to 295,070.17, 441,744.09 and 219,503.89

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Solution

The fourth proportional to 295,070.17, 441,744.09 and 219,503.89 is: 328,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,070.17 : 441,744.09 = 219,503.89 : x
  2. Step 2: Convert to fraction form
    295,070.17/441,744.09 = 219,503.89/x
  3. Step 3: Cross multiply
    295,070.17x = 441,744.09 × 219,503.89
  4. Step 4: Simplify right side
    295,070.17x = 96,964,546,139.51
  5. Step 5: Solve for x
    x = 96,964,546,139.51/295,070.17
  6. Step 6: Final answer
    x = 328,615.21

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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.