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Finding the Fourth Proportional to 574,346.42, 792,843.37 and 408,881.20

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Solution

The fourth proportional to 574,346.42, 792,843.37 and 408,881.20 is: 564,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,346.42 : 792,843.37 = 408,881.20 : x
  2. Step 2: Convert to fraction form
    574,346.42/792,843.37 = 408,881.20/x
  3. Step 3: Cross multiply
    574,346.42x = 792,843.37 × 408,881.20
  4. Step 4: Simplify right side
    574,346.42x = 324,178,747,577.74
  5. Step 5: Solve for x
    x = 324,178,747,577.74/574,346.42
  6. Step 6: Final answer
    x = 564,430.70

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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.