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Finding the Fourth Proportional to 482,457.63, 665,355.69 and 301,186.26

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Solution

The fourth proportional to 482,457.63, 665,355.69 and 301,186.26 is: 415,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,457.63 : 665,355.69 = 301,186.26 : x
  2. Step 2: Convert to fraction form
    482,457.63/665,355.69 = 301,186.26/x
  3. Step 3: Cross multiply
    482,457.63x = 665,355.69 × 301,186.26
  4. Step 4: Simplify right side
    482,457.63x = 200,395,991,840.82
  5. Step 5: Solve for x
    x = 200,395,991,840.82/482,457.63
  6. Step 6: Final answer
    x = 415,364.96

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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.