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Finding the Fourth Proportional to 610,898.14, 915,978.93 and 273,877.84

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Solution

The fourth proportional to 610,898.14, 915,978.93 and 273,877.84 is: 410,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,898.14 : 915,978.93 = 273,877.84 : x
  2. Step 2: Convert to fraction form
    610,898.14/915,978.93 = 273,877.84/x
  3. Step 3: Cross multiply
    610,898.14x = 915,978.93 × 273,877.84
  4. Step 4: Simplify right side
    610,898.14x = 250,866,330,833.91
  5. Step 5: Solve for x
    x = 250,866,330,833.91/610,898.14
  6. Step 6: Final answer
    x = 410,651.65

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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.