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Finding the Fourth Proportional to 527,462.82, 791,216.04 and 153,485.82

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Solution

The fourth proportional to 527,462.82, 791,216.04 and 153,485.82 is: 230,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,462.82 : 791,216.04 = 153,485.82 : x
  2. Step 2: Convert to fraction form
    527,462.82/791,216.04 = 153,485.82/x
  3. Step 3: Cross multiply
    527,462.82x = 791,216.04 × 153,485.82
  4. Step 4: Simplify right side
    527,462.82x = 121,440,442,696.55
  5. Step 5: Solve for x
    x = 121,440,442,696.55/527,462.82
  6. Step 6: Final answer
    x = 230,235.08

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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.