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Finding the Fourth Proportional to 599,133.90, 826,425.10 and 455,579.22

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Solution

The fourth proportional to 599,133.90, 826,425.10 and 455,579.22 is: 628,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,133.90 : 826,425.10 = 455,579.22 : x
  2. Step 2: Convert to fraction form
    599,133.90/826,425.10 = 455,579.22/x
  3. Step 3: Cross multiply
    599,133.90x = 826,425.10 × 455,579.22
  4. Step 4: Simplify right side
    599,133.90x = 376,502,102,446.42
  5. Step 5: Solve for x
    x = 376,502,102,446.42/599,133.90
  6. Step 6: Final answer
    x = 628,410.61

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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.