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Finding the Fourth Proportional to 508,800.50, 763,366.59 and 255,950.50

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Solution

The fourth proportional to 508,800.50, 763,366.59 and 255,950.50 is: 384,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,800.50 : 763,366.59 = 255,950.50 : x
  2. Step 2: Convert to fraction form
    508,800.50/763,366.59 = 255,950.50/x
  3. Step 3: Cross multiply
    508,800.50x = 763,366.59 × 255,950.50
  4. Step 4: Simplify right side
    508,800.50x = 195,384,058,485.38
  5. Step 5: Solve for x
    x = 195,384,058,485.38/508,800.50
  6. Step 6: Final answer
    x = 384,009.17

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Similar ratio
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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.