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Finding the Fourth Proportional to 384,353.76, 530,416.80 and 241,119.84

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Solution

The fourth proportional to 384,353.76, 530,416.80 and 241,119.84 is: 332,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,353.76 : 530,416.80 = 241,119.84 : x
  2. Step 2: Convert to fraction form
    384,353.76/530,416.80 = 241,119.84/x
  3. Step 3: Cross multiply
    384,353.76x = 530,416.80 × 241,119.84
  4. Step 4: Simplify right side
    384,353.76x = 127,894,013,949.31
  5. Step 5: Solve for x
    x = 127,894,013,949.31/384,353.76
  6. Step 6: Final answer
    x = 332,750.78

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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.