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Finding the Fourth Proportional to 541,604.82, 812,444.08 and 142,244.88

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Solution

The fourth proportional to 541,604.82, 812,444.08 and 142,244.88 is: 213,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,604.82 : 812,444.08 = 142,244.88 : x
  2. Step 2: Convert to fraction form
    541,604.82/812,444.08 = 142,244.88/x
  3. Step 3: Cross multiply
    541,604.82x = 812,444.08 × 142,244.88
  4. Step 4: Simplify right side
    541,604.82x = 115,566,010,666.31
  5. Step 5: Solve for x
    x = 115,566,010,666.31/541,604.82
  6. Step 6: Final answer
    x = 213,377.00

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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.