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Finding the Fourth Proportional to 418,633.07, 577,762.35 and 234,922.24

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Solution

The fourth proportional to 418,633.07, 577,762.35 and 234,922.24 is: 324,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,633.07 : 577,762.35 = 234,922.24 : x
  2. Step 2: Convert to fraction form
    418,633.07/577,762.35 = 234,922.24/x
  3. Step 3: Cross multiply
    418,633.07x = 577,762.35 × 234,922.24
  4. Step 4: Simplify right side
    418,633.07x = 135,729,222,560.85
  5. Step 5: Solve for x
    x = 135,729,222,560.85/418,633.07
  6. Step 6: Final answer
    x = 324,220.02

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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.