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Finding the Fourth Proportional to 527,899, 791,980.53 and 153,922

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Solution

The fourth proportional to 527,899, 791,980.53 and 153,922 is: 230,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,899 : 791,980.53 = 153,922 : x
  2. Step 2: Convert to fraction form
    527,899/791,980.53 = 153,922/x
  3. Step 3: Cross multiply
    527,899x = 791,980.53 × 153,922
  4. Step 4: Simplify right side
    527,899x = 121,903,227,138.66
  5. Step 5: Solve for x
    x = 121,903,227,138.66/527,899
  6. Step 6: Final answer
    x = 230,921.50

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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.