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Finding the Fourth Proportional to 448,043.60, 672,259.80 and 226,427.60

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Solution

The fourth proportional to 448,043.60, 672,259.80 and 226,427.60 is: 339,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,043.60 : 672,259.80 = 226,427.60 : x
  2. Step 2: Convert to fraction form
    448,043.60/672,259.80 = 226,427.60/x
  3. Step 3: Cross multiply
    448,043.60x = 672,259.80 × 226,427.60
  4. Step 4: Simplify right side
    448,043.60x = 152,218,173,090.48
  5. Step 5: Solve for x
    x = 152,218,173,090.48/448,043.60
  6. Step 6: Final answer
    x = 339,739.64

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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.