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Finding the Fourth Proportional to 448,260.16, 672,470.70 and 148,684.90

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Solution

The fourth proportional to 448,260.16, 672,470.70 and 148,684.90 is: 223,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,260.16 : 672,470.70 = 148,684.90 : x
  2. Step 2: Convert to fraction form
    448,260.16/672,470.70 = 148,684.90/x
  3. Step 3: Cross multiply
    448,260.16x = 672,470.70 × 148,684.90
  4. Step 4: Simplify right side
    448,260.16x = 99,986,238,782.43
  5. Step 5: Solve for x
    x = 99,986,238,782.43/448,260.16
  6. Step 6: Final answer
    x = 223,054.04

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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.