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Finding the Fourth Proportional to 429,353.64, 592,478.46 and 238,352.22

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Solution

The fourth proportional to 429,353.64, 592,478.46 and 238,352.22 is: 328,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,353.64 : 592,478.46 = 238,352.22 : x
  2. Step 2: Convert to fraction form
    429,353.64/592,478.46 = 238,352.22/x
  3. Step 3: Cross multiply
    429,353.64x = 592,478.46 × 238,352.22
  4. Step 4: Simplify right side
    429,353.64x = 141,218,556,243.18
  5. Step 5: Solve for x
    x = 141,218,556,243.18/429,353.64
  6. Step 6: Final answer
    x = 328,909.65

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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.