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Finding the Fourth Proportional to 353,596.34, 487,973.30 and 192,461.83

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Solution

The fourth proportional to 353,596.34, 487,973.30 and 192,461.83 is: 265,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,596.34 : 487,973.30 = 192,461.83 : x
  2. Step 2: Convert to fraction form
    353,596.34/487,973.30 = 192,461.83/x
  3. Step 3: Cross multiply
    353,596.34x = 487,973.30 × 192,461.83
  4. Step 4: Simplify right side
    353,596.34x = 93,916,232,126.90
  5. Step 5: Solve for x
    x = 93,916,232,126.90/353,596.34
  6. Step 6: Final answer
    x = 265,602.95

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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.