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Finding the Fourth Proportional to 356,234.60, 533,606.70 and 166,856.60

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Solution

The fourth proportional to 356,234.60, 533,606.70 and 166,856.60 is: 249,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,234.60 : 533,606.70 = 166,856.60 : x
  2. Step 2: Convert to fraction form
    356,234.60/533,606.70 = 166,856.60/x
  3. Step 3: Cross multiply
    356,234.60x = 533,606.70 × 166,856.60
  4. Step 4: Simplify right side
    356,234.60x = 89,035,799,699.22
  5. Step 5: Solve for x
    x = 89,035,799,699.22/356,234.60
  6. Step 6: Final answer
    x = 249,935.86

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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.