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Finding the Fourth Proportional to 508,013.92, 762,477.72 and 271,558.72

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Solution

The fourth proportional to 508,013.92, 762,477.72 and 271,558.72 is: 407,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,013.92 : 762,477.72 = 271,558.72 : x
  2. Step 2: Convert to fraction form
    508,013.92/762,477.72 = 271,558.72/x
  3. Step 3: Cross multiply
    508,013.92x = 762,477.72 × 271,558.72
  4. Step 4: Simplify right side
    508,013.92x = 207,057,475,133.99
  5. Step 5: Solve for x
    x = 207,057,475,133.99/508,013.92
  6. Step 6: Final answer
    x = 407,582.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.