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Finding the Fourth Proportional to 302,735.25, 417,787.62 and 168,599.25

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Solution

The fourth proportional to 302,735.25, 417,787.62 and 168,599.25 is: 232,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,735.25 : 417,787.62 = 168,599.25 : x
  2. Step 2: Convert to fraction form
    302,735.25/417,787.62 = 168,599.25/x
  3. Step 3: Cross multiply
    302,735.25x = 417,787.62 × 168,599.25
  4. Step 4: Simplify right side
    302,735.25x = 70,438,679,391.29
  5. Step 5: Solve for x
    x = 70,438,679,391.29/302,735.25
  6. Step 6: Final answer
    x = 232,674.19

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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.