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Finding the Fourth Proportional to 605,858.10, 908,830.35 and 185,133.30

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Solution

The fourth proportional to 605,858.10, 908,830.35 and 185,133.30 is: 277,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,858.10 : 908,830.35 = 185,133.30 : x
  2. Step 2: Convert to fraction form
    605,858.10/908,830.35 = 185,133.30/x
  3. Step 3: Cross multiply
    605,858.10x = 908,830.35 × 185,133.30
  4. Step 4: Simplify right side
    605,858.10x = 168,254,761,835.66
  5. Step 5: Solve for x
    x = 168,254,761,835.66/605,858.10
  6. Step 6: Final answer
    x = 277,713.15

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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.