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Finding the Fourth Proportional to 429,398.04, 592,558.02 and 238,406.52

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Solution

The fourth proportional to 429,398.04, 592,558.02 and 238,406.52 is: 328,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,398.04 : 592,558.02 = 238,406.52 : x
  2. Step 2: Convert to fraction form
    429,398.04/592,558.02 = 238,406.52/x
  3. Step 3: Cross multiply
    429,398.04x = 592,558.02 × 238,406.52
  4. Step 4: Simplify right side
    429,398.04x = 141,269,695,446.29
  5. Step 5: Solve for x
    x = 141,269,695,446.29/429,398.04
  6. Step 6: Final answer
    x = 328,994.74

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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.