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Finding the Fourth Proportional to 453,739.60, 626,090.54 and 262,716.08

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Solution

The fourth proportional to 453,739.60, 626,090.54 and 262,716.08 is: 362,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,739.60 : 626,090.54 = 262,716.08 : x
  2. Step 2: Convert to fraction form
    453,739.60/626,090.54 = 262,716.08/x
  3. Step 3: Cross multiply
    453,739.60x = 626,090.54 × 262,716.08
  4. Step 4: Simplify right side
    453,739.60x = 164,484,052,393.88
  5. Step 5: Solve for x
    x = 164,484,052,393.88/453,739.60
  6. Step 6: Final answer
    x = 362,507.60

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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.