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Finding the Fourth Proportional to 429,265.40, 592,388.58 and 268,213.90

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Solution

The fourth proportional to 429,265.40, 592,388.58 and 268,213.90 is: 370,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,265.40 : 592,388.58 = 268,213.90 : x
  2. Step 2: Convert to fraction form
    429,265.40/592,388.58 = 268,213.90/x
  3. Step 3: Cross multiply
    429,265.40x = 592,388.58 × 268,213.90
  4. Step 4: Simplify right side
    429,265.40x = 158,886,851,357.26
  5. Step 5: Solve for x
    x = 158,886,851,357.26/429,265.40
  6. Step 6: Final answer
    x = 370,136.64

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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.