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Finding the Fourth Proportional to 356,253.49, 534,330.55 and 89,997.49

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Solution

The fourth proportional to 356,253.49, 534,330.55 and 89,997.49 is: 134,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,253.49 : 534,330.55 = 89,997.49 : x
  2. Step 2: Convert to fraction form
    356,253.49/534,330.55 = 89,997.49/x
  3. Step 3: Cross multiply
    356,253.49x = 534,330.55 × 89,997.49
  4. Step 4: Simplify right side
    356,253.49x = 48,088,408,330.32
  5. Step 5: Solve for x
    x = 48,088,408,330.32/356,253.49
  6. Step 6: Final answer
    x = 134,983.68

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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.