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Finding the Fourth Proportional to 658,281.94, 987,612.04 and 273,955.98

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Solution

The fourth proportional to 658,281.94, 987,612.04 and 273,955.98 is: 411,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,281.94 : 987,612.04 = 273,955.98 : x
  2. Step 2: Convert to fraction form
    658,281.94/987,612.04 = 273,955.98/x
  3. Step 3: Cross multiply
    658,281.94x = 987,612.04 × 273,955.98
  4. Step 4: Simplify right side
    658,281.94x = 270,562,224,278.00
  5. Step 5: Solve for x
    x = 270,562,224,278.00/658,281.94
  6. Step 6: Final answer
    x = 411,012.68

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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.