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Finding the Fourth Proportional to 493,891.81, 740,760.48 and 156,888.13

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Solution

The fourth proportional to 493,891.81, 740,760.48 and 156,888.13 is: 235,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,891.81 : 740,760.48 = 156,888.13 : x
  2. Step 2: Convert to fraction form
    493,891.81/740,760.48 = 156,888.13/x
  3. Step 3: Cross multiply
    493,891.81x = 740,760.48 × 156,888.13
  4. Step 4: Simplify right side
    493,891.81x = 116,216,526,485.10
  5. Step 5: Solve for x
    x = 116,216,526,485.10/493,891.81
  6. Step 6: Final answer
    x = 235,307.66

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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.