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Finding the Fourth Proportional to 293,457.40, 440,186.10 and 273,628.60

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Solution

The fourth proportional to 293,457.40, 440,186.10 and 273,628.60 is: 410,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,457.40 : 440,186.10 = 273,628.60 : x
  2. Step 2: Convert to fraction form
    293,457.40/440,186.10 = 273,628.60/x
  3. Step 3: Cross multiply
    293,457.40x = 440,186.10 × 273,628.60
  4. Step 4: Simplify right side
    293,457.40x = 120,447,506,282.46
  5. Step 5: Solve for x
    x = 120,447,506,282.46/293,457.40
  6. Step 6: Final answer
    x = 410,442.90

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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.