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Finding the Fourth Proportional to 454,029.35, 680,807.43 and 169,485.87

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Solution

The fourth proportional to 454,029.35, 680,807.43 and 169,485.87 is: 254,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,029.35 : 680,807.43 = 169,485.87 : x
  2. Step 2: Convert to fraction form
    454,029.35/680,807.43 = 169,485.87/x
  3. Step 3: Cross multiply
    454,029.35x = 680,807.43 × 169,485.87
  4. Step 4: Simplify right side
    454,029.35x = 115,387,243,144.00
  5. Step 5: Solve for x
    x = 115,387,243,144.00/454,029.35
  6. Step 6: Final answer
    x = 254,140.49

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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.