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Finding the Fourth Proportional to 234,428.52, 323,561.52 and 152,858.64

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Solution

The fourth proportional to 234,428.52, 323,561.52 and 152,858.64 is: 210,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,428.52 : 323,561.52 = 152,858.64 : x
  2. Step 2: Convert to fraction form
    234,428.52/323,561.52 = 152,858.64/x
  3. Step 3: Cross multiply
    234,428.52x = 323,561.52 × 152,858.64
  4. Step 4: Simplify right side
    234,428.52x = 49,459,173,903.53
  5. Step 5: Solve for x
    x = 49,459,173,903.53/234,428.52
  6. Step 6: Final answer
    x = 210,977.63

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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.