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Finding the Fourth Proportional to 302,745, 417,801.06 and 168,609

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Solution

The fourth proportional to 302,745, 417,801.06 and 168,609 is: 232,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,745 : 417,801.06 = 168,609 : x
  2. Step 2: Convert to fraction form
    302,745/417,801.06 = 168,609/x
  3. Step 3: Cross multiply
    302,745x = 417,801.06 × 168,609
  4. Step 4: Simplify right side
    302,745x = 70,445,018,925.54
  5. Step 5: Solve for x
    x = 70,445,018,925.54/302,745
  6. Step 6: Final answer
    x = 232,687.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.