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Finding the Fourth Proportional to 356,099.94, 534,262.23 and 156,588.30

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Solution

The fourth proportional to 356,099.94, 534,262.23 and 156,588.30 is: 234,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,099.94 : 534,262.23 = 156,588.30 : x
  2. Step 2: Convert to fraction form
    356,099.94/534,262.23 = 156,588.30/x
  3. Step 3: Cross multiply
    356,099.94x = 534,262.23 × 156,588.30
  4. Step 4: Simplify right side
    356,099.94x = 83,659,214,349.91
  5. Step 5: Solve for x
    x = 83,659,214,349.91/356,099.94
  6. Step 6: Final answer
    x = 234,931.84

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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.