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Finding the Fourth Proportional to 429,407.56, 592,609.26 and 248,152.69

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Solution

The fourth proportional to 429,407.56, 592,609.26 and 248,152.69 is: 342,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,407.56 : 592,609.26 = 248,152.69 : x
  2. Step 2: Convert to fraction form
    429,407.56/592,609.26 = 248,152.69/x
  3. Step 3: Cross multiply
    429,407.56x = 592,609.26 × 248,152.69
  4. Step 4: Simplify right side
    429,407.56x = 147,057,581,987.91
  5. Step 5: Solve for x
    x = 147,057,581,987.91/429,407.56
  6. Step 6: Final answer
    x = 342,466.22

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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.