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Finding the Fourth Proportional to 448,052.60, 672,078.90 and 370,292.60

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Solution

The fourth proportional to 448,052.60, 672,078.90 and 370,292.60 is: 555,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,052.60 : 672,078.90 = 370,292.60 : x
  2. Step 2: Convert to fraction form
    448,052.60/672,078.90 = 370,292.60/x
  3. Step 3: Cross multiply
    448,052.60x = 672,078.90 × 370,292.60
  4. Step 4: Simplify right side
    448,052.60x = 248,865,843,286.14
  5. Step 5: Solve for x
    x = 248,865,843,286.14/448,052.60
  6. Step 6: Final answer
    x = 555,438.90

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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.