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Finding the Fourth Proportional to 423,343.92, 584,213.85 and 242,059.26

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Solution

The fourth proportional to 423,343.92, 584,213.85 and 242,059.26 is: 334,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,343.92 : 584,213.85 = 242,059.26 : x
  2. Step 2: Convert to fraction form
    423,343.92/584,213.85 = 242,059.26/x
  3. Step 3: Cross multiply
    423,343.92x = 584,213.85 × 242,059.26
  4. Step 4: Simplify right side
    423,343.92x = 141,414,372,212.75
  5. Step 5: Solve for x
    x = 141,414,372,212.75/423,343.92
  6. Step 6: Final answer
    x = 334,041.34

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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.