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Finding the Fourth Proportional to 429,248.96, 592,333.93 and 238,247.31

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Solution

The fourth proportional to 429,248.96, 592,333.93 and 238,247.31 is: 328,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,248.96 : 592,333.93 = 238,247.31 : x
  2. Step 2: Convert to fraction form
    429,248.96/592,333.93 = 238,247.31/x
  3. Step 3: Cross multiply
    429,248.96x = 592,333.93 × 238,247.31
  4. Step 4: Simplify right side
    429,248.96x = 141,121,965,444.23
  5. Step 5: Solve for x
    x = 141,121,965,444.23/429,248.96
  6. Step 6: Final answer
    x = 328,764.84

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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.