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Finding the Fourth Proportional to 606,748.64, 910,127.92 and 397,710.24

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Solution

The fourth proportional to 606,748.64, 910,127.92 and 397,710.24 is: 596,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,748.64 : 910,127.92 = 397,710.24 : x
  2. Step 2: Convert to fraction form
    606,748.64/910,127.92 = 397,710.24/x
  3. Step 3: Cross multiply
    606,748.64x = 910,127.92 × 397,710.24
  4. Step 4: Simplify right side
    606,748.64x = 361,967,193,493.90
  5. Step 5: Solve for x
    x = 361,967,193,493.90/606,748.64
  6. Step 6: Final answer
    x = 596,568.61

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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.