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Finding the Fourth Proportional to 555,936.77, 767,569.34 and 352,168.51

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Solution

The fourth proportional to 555,936.77, 767,569.34 and 352,168.51 is: 486,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,936.77 : 767,569.34 = 352,168.51 : x
  2. Step 2: Convert to fraction form
    555,936.77/767,569.34 = 352,168.51/x
  3. Step 3: Cross multiply
    555,936.77x = 767,569.34 × 352,168.51
  4. Step 4: Simplify right side
    555,936.77x = 270,313,750,199.70
  5. Step 5: Solve for x
    x = 270,313,750,199.70/555,936.77
  6. Step 6: Final answer
    x = 486,231.11

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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.