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Finding the Fourth Proportional to 405,003.04, 558,900.68 and 223,727.62

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Solution

The fourth proportional to 405,003.04, 558,900.68 and 223,727.62 is: 308,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,003.04 : 558,900.68 = 223,727.62 : x
  2. Step 2: Convert to fraction form
    405,003.04/558,900.68 = 223,727.62/x
  3. Step 3: Cross multiply
    405,003.04x = 558,900.68 × 223,727.62
  4. Step 4: Simplify right side
    405,003.04x = 125,041,519,372.53
  5. Step 5: Solve for x
    x = 125,041,519,372.53/405,003.04
  6. Step 6: Final answer
    x = 308,742.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.