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Finding the Fourth Proportional to 273,457.80, 410,186.70 and 203,473.80

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Solution

The fourth proportional to 273,457.80, 410,186.70 and 203,473.80 is: 305,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,457.80 : 410,186.70 = 203,473.80 : x
  2. Step 2: Convert to fraction form
    273,457.80/410,186.70 = 203,473.80/x
  3. Step 3: Cross multiply
    273,457.80x = 410,186.70 × 203,473.80
  4. Step 4: Simplify right side
    273,457.80x = 83,462,246,558.46
  5. Step 5: Solve for x
    x = 83,462,246,558.46/273,457.80
  6. Step 6: Final answer
    x = 305,210.70

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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.