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Finding the Fourth Proportional to 508,451.51, 762,721.60 and 166,792.50

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Solution

The fourth proportional to 508,451.51, 762,721.60 and 166,792.50 is: 250,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,451.51 : 762,721.60 = 166,792.50 : x
  2. Step 2: Convert to fraction form
    508,451.51/762,721.60 = 166,792.50/x
  3. Step 3: Cross multiply
    508,451.51x = 762,721.60 × 166,792.50
  4. Step 4: Simplify right side
    508,451.51x = 127,216,242,363.76
  5. Step 5: Solve for x
    x = 127,216,242,363.76/508,451.51
  6. Step 6: Final answer
    x = 250,203.29

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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.