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Finding the Fourth Proportional to 353,271.96, 487,510.59 and 192,123.54

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Solution

The fourth proportional to 353,271.96, 487,510.59 and 192,123.54 is: 265,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,271.96 : 487,510.59 = 192,123.54 : x
  2. Step 2: Convert to fraction form
    353,271.96/487,510.59 = 192,123.54/x
  3. Step 3: Cross multiply
    353,271.96x = 487,510.59 × 192,123.54
  4. Step 4: Simplify right side
    353,271.96x = 93,662,260,338.29
  5. Step 5: Solve for x
    x = 93,662,260,338.29/353,271.96
  6. Step 6: Final answer
    x = 265,127.92

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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.