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Finding the Fourth Proportional to 356,265.56, 534,348.90 and 90,009.68

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Solution

The fourth proportional to 356,265.56, 534,348.90 and 90,009.68 is: 135,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,265.56 : 534,348.90 = 90,009.68 : x
  2. Step 2: Convert to fraction form
    356,265.56/534,348.90 = 90,009.68/x
  3. Step 3: Cross multiply
    356,265.56x = 534,348.90 × 90,009.68
  4. Step 4: Simplify right side
    356,265.56x = 48,096,573,497.35
  5. Step 5: Solve for x
    x = 48,096,573,497.35/356,265.56
  6. Step 6: Final answer
    x = 135,002.03

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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.