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Finding the Fourth Proportional to 448,370.64, 672,678.99 and 223,459.56

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Solution

The fourth proportional to 448,370.64, 672,678.99 and 223,459.56 is: 335,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,370.64 : 672,678.99 = 223,459.56 : x
  2. Step 2: Convert to fraction form
    448,370.64/672,678.99 = 223,459.56/x
  3. Step 3: Cross multiply
    448,370.64x = 672,678.99 × 223,459.56
  4. Step 4: Simplify right side
    448,370.64x = 150,316,551,126.64
  5. Step 5: Solve for x
    x = 150,316,551,126.64/448,370.64
  6. Step 6: Final answer
    x = 335,250.66

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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.