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Finding the Fourth Proportional to 604,713.06, 907,200.84 and 183,978

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Solution

The fourth proportional to 604,713.06, 907,200.84 and 183,978 is: 276,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,713.06 : 907,200.84 = 183,978 : x
  2. Step 2: Convert to fraction form
    604,713.06/907,200.84 = 183,978/x
  3. Step 3: Cross multiply
    604,713.06x = 907,200.84 × 183,978
  4. Step 4: Simplify right side
    604,713.06x = 166,904,996,141.52
  5. Step 5: Solve for x
    x = 166,904,996,141.52/604,713.06
  6. Step 6: Final answer
    x = 276,006.93

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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.