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Finding the Fourth Proportional to 607,344.26, 838,136.50 and 335,407.20

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Solution

The fourth proportional to 607,344.26, 838,136.50 and 335,407.20 is: 462,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,344.26 : 838,136.50 = 335,407.20 : x
  2. Step 2: Convert to fraction form
    607,344.26/838,136.50 = 335,407.20/x
  3. Step 3: Cross multiply
    607,344.26x = 838,136.50 × 335,407.20
  4. Step 4: Simplify right side
    607,344.26x = 281,117,016,682.80
  5. Step 5: Solve for x
    x = 281,117,016,682.80/607,344.26
  6. Step 6: Final answer
    x = 462,862.72

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1.5x scale

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.