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Finding the Fourth Proportional to 429,478.67, 592,687.69 and 235,904.27

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Solution

The fourth proportional to 429,478.67, 592,687.69 and 235,904.27 is: 325,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,478.67 : 592,687.69 = 235,904.27 : x
  2. Step 2: Convert to fraction form
    429,478.67/592,687.69 = 235,904.27/x
  3. Step 3: Cross multiply
    429,478.67x = 592,687.69 × 235,904.27
  4. Step 4: Simplify right side
    429,478.67x = 139,817,557,516.41
  5. Step 5: Solve for x
    x = 139,817,557,516.41/429,478.67
  6. Step 6: Final answer
    x = 325,551.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.