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Finding the Fourth Proportional to 538,515, 807,922.16 and 234,935.68

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Solution

The fourth proportional to 538,515, 807,922.16 and 234,935.68 is: 352,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,515 : 807,922.16 = 234,935.68 : x
  2. Step 2: Convert to fraction form
    538,515/807,922.16 = 234,935.68/x
  3. Step 3: Cross multiply
    538,515x = 807,922.16 × 234,935.68
  4. Step 4: Simplify right side
    538,515x = 189,809,742,046.67
  5. Step 5: Solve for x
    x = 189,809,742,046.67/538,515
  6. Step 6: Final answer
    x = 352,468.81

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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.