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Finding the Fourth Proportional to 448,729.72, 619,228.74 and 247,525.72

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Solution

The fourth proportional to 448,729.72, 619,228.74 and 247,525.72 is: 341,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,729.72 : 619,228.74 = 247,525.72 : x
  2. Step 2: Convert to fraction form
    448,729.72/619,228.74 = 247,525.72/x
  3. Step 3: Cross multiply
    448,729.72x = 619,228.74 × 247,525.72
  4. Step 4: Simplify right side
    448,729.72x = 153,275,039,713.19
  5. Step 5: Solve for x
    x = 153,275,039,713.19/448,729.72
  6. Step 6: Final answer
    x = 341,575.41

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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.