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Finding the Fourth Proportional to 243,254.30, 364,553.40 and 163,064.30

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Solution

The fourth proportional to 243,254.30, 364,553.40 and 163,064.30 is: 244,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,254.30 : 364,553.40 = 163,064.30 : x
  2. Step 2: Convert to fraction form
    243,254.30/364,553.40 = 163,064.30/x
  3. Step 3: Cross multiply
    243,254.30x = 364,553.40 × 163,064.30
  4. Step 4: Simplify right side
    243,254.30x = 59,445,644,983.62
  5. Step 5: Solve for x
    x = 59,445,644,983.62/243,254.30
  6. Step 6: Final answer
    x = 244,376.54

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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.