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Finding the Fourth Proportional to 323,549.51, 485,271.68 and 152,770.89

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Solution

The fourth proportional to 323,549.51, 485,271.68 and 152,770.89 is: 229,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,549.51 : 485,271.68 = 152,770.89 : x
  2. Step 2: Convert to fraction form
    323,549.51/485,271.68 = 152,770.89/x
  3. Step 3: Cross multiply
    323,549.51x = 485,271.68 × 152,770.89
  4. Step 4: Simplify right side
    323,549.51x = 74,135,387,501.31
  5. Step 5: Solve for x
    x = 74,135,387,501.31/323,549.51
  6. Step 6: Final answer
    x = 229,131.51

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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.