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Finding the Fourth Proportional to 452,822.34, 679,356.05 and 153,302.97

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Solution

The fourth proportional to 452,822.34, 679,356.05 and 153,302.97 is: 229,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,822.34 : 679,356.05 = 153,302.97 : x
  2. Step 2: Convert to fraction form
    452,822.34/679,356.05 = 153,302.97/x
  3. Step 3: Cross multiply
    452,822.34x = 679,356.05 × 153,302.97
  4. Step 4: Simplify right side
    452,822.34x = 104,147,299,385.95
  5. Step 5: Solve for x
    x = 104,147,299,385.95/452,822.34
  6. Step 6: Final answer
    x = 229,995.94

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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.