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Finding the Fourth Proportional to 356,416.56, 534,673.98 and 119,777.58

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Solution

The fourth proportional to 356,416.56, 534,673.98 and 119,777.58 is: 179,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,416.56 : 534,673.98 = 119,777.58 : x
  2. Step 2: Convert to fraction form
    356,416.56/534,673.98 = 119,777.58/x
  3. Step 3: Cross multiply
    356,416.56x = 534,673.98 × 119,777.58
  4. Step 4: Simplify right side
    356,416.56x = 64,041,955,413.37
  5. Step 5: Solve for x
    x = 64,041,955,413.37/356,416.56
  6. Step 6: Final answer
    x = 179,682.88

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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.