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Finding the Fourth Proportional to 538,626.92, 806,931.32 and 483,170.06

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Solution

The fourth proportional to 538,626.92, 806,931.32 and 483,170.06 is: 723,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,626.92 : 806,931.32 = 483,170.06 : x
  2. Step 2: Convert to fraction form
    538,626.92/806,931.32 = 483,170.06/x
  3. Step 3: Cross multiply
    538,626.92x = 806,931.32 × 483,170.06
  4. Step 4: Simplify right side
    538,626.92x = 389,885,053,901.76
  5. Step 5: Solve for x
    x = 389,885,053,901.76/538,626.92
  6. Step 6: Final answer
    x = 723,849.93

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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.