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Finding the Fourth Proportional to 448,027.60, 672,235.80 and 226,411.60

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Solution

The fourth proportional to 448,027.60, 672,235.80 and 226,411.60 is: 339,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,027.60 : 672,235.80 = 226,411.60 : x
  2. Step 2: Convert to fraction form
    448,027.60/672,235.80 = 226,411.60/x
  3. Step 3: Cross multiply
    448,027.60x = 672,235.80 × 226,411.60
  4. Step 4: Simplify right side
    448,027.60x = 152,201,983,055.28
  5. Step 5: Solve for x
    x = 152,201,983,055.28/448,027.60
  6. Step 6: Final answer
    x = 339,715.64

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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.