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Finding the Fourth Proportional to 574,332.81, 860,966.73 and 254,314.23

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Solution

The fourth proportional to 574,332.81, 860,966.73 and 254,314.23 is: 381,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,332.81 : 860,966.73 = 254,314.23 : x
  2. Step 2: Convert to fraction form
    574,332.81/860,966.73 = 254,314.23/x
  3. Step 3: Cross multiply
    574,332.81x = 860,966.73 × 254,314.23
  4. Step 4: Simplify right side
    574,332.81x = 218,956,090,995.57
  5. Step 5: Solve for x
    x = 218,956,090,995.57/574,332.81
  6. Step 6: Final answer
    x = 381,235.56

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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.