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Finding the Fourth Proportional to 604,958.31, 907,368.35 and 161,760.87

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Solution

The fourth proportional to 604,958.31, 907,368.35 and 161,760.87 is: 242,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,958.31 : 907,368.35 = 161,760.87 : x
  2. Step 2: Convert to fraction form
    604,958.31/907,368.35 = 161,760.87/x
  3. Step 3: Cross multiply
    604,958.31x = 907,368.35 × 161,760.87
  4. Step 4: Simplify right side
    604,958.31x = 146,776,692,897.66
  5. Step 5: Solve for x
    x = 146,776,692,897.66/604,958.31
  6. Step 6: Final answer
    x = 242,622.82

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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.