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Finding the Fourth Proportional to 365,654.16, 548,549.82 and 165,988.50

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Solution

The fourth proportional to 365,654.16, 548,549.82 and 165,988.50 is: 249,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,654.16 : 548,549.82 = 165,988.50 : x
  2. Step 2: Convert to fraction form
    365,654.16/548,549.82 = 165,988.50/x
  3. Step 3: Cross multiply
    365,654.16x = 548,549.82 × 165,988.50
  4. Step 4: Simplify right side
    365,654.16x = 91,052,961,797.07
  5. Step 5: Solve for x
    x = 91,052,961,797.07/365,654.16
  6. Step 6: Final answer
    x = 249,013.88

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1.5x scale

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.