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Finding the Fourth Proportional to 353,391.00, 530,146.04 and 163,774.46

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Solution

The fourth proportional to 353,391.00, 530,146.04 and 163,774.46 is: 245,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,391.00 : 530,146.04 = 163,774.46 : x
  2. Step 2: Convert to fraction form
    353,391.00/530,146.04 = 163,774.46/x
  3. Step 3: Cross multiply
    353,391.00x = 530,146.04 × 163,774.46
  4. Step 4: Simplify right side
    353,391.00x = 86,824,379,407.18
  5. Step 5: Solve for x
    x = 86,824,379,407.18/353,391.00
  6. Step 6: Final answer
    x = 245,689.28

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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.