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Finding the Fourth Proportional to 429,595.67, 644,476.48 and 163,335.48

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Solution

The fourth proportional to 429,595.67, 644,476.48 and 163,335.48 is: 245,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,595.67 : 644,476.48 = 163,335.48 : x
  2. Step 2: Convert to fraction form
    429,595.67/644,476.48 = 163,335.48/x
  3. Step 3: Cross multiply
    429,595.67x = 644,476.48 × 163,335.48
  4. Step 4: Simplify right side
    429,595.67x = 105,265,874,801.17
  5. Step 5: Solve for x
    x = 105,265,874,801.17/429,595.67
  6. Step 6: Final answer
    x = 245,034.77

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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.