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Finding the Fourth Proportional to 605,823.50, 908,898.87 and 185,087.90

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Solution

The fourth proportional to 605,823.50, 908,898.87 and 185,087.90 is: 277,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,823.50 : 908,898.87 = 185,087.90 : x
  2. Step 2: Convert to fraction form
    605,823.50/908,898.87 = 185,087.90/x
  3. Step 3: Cross multiply
    605,823.50x = 908,898.87 × 185,087.90
  4. Step 4: Simplify right side
    605,823.50x = 168,226,186,127.00
  5. Step 5: Solve for x
    x = 168,226,186,127.00/605,823.50
  6. Step 6: Final answer
    x = 277,681.84

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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.