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Finding the Fourth Proportional to 257,756.04, 354,895.02 and 234,136.44

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Solution

The fourth proportional to 257,756.04, 354,895.02 and 234,136.44 is: 322,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,756.04 : 354,895.02 = 234,136.44 : x
  2. Step 2: Convert to fraction form
    257,756.04/354,895.02 = 234,136.44/x
  3. Step 3: Cross multiply
    257,756.04x = 354,895.02 × 234,136.44
  4. Step 4: Simplify right side
    257,756.04x = 83,093,856,556.53
  5. Step 5: Solve for x
    x = 83,093,856,556.53/257,756.04
  6. Step 6: Final answer
    x = 322,374.04

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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.