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Finding the Fourth Proportional to 437,840.26, 604,205.85 and 256,672.85

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Solution

The fourth proportional to 437,840.26, 604,205.85 and 256,672.85 is: 354,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,840.26 : 604,205.85 = 256,672.85 : x
  2. Step 2: Convert to fraction form
    437,840.26/604,205.85 = 256,672.85/x
  3. Step 3: Cross multiply
    437,840.26x = 604,205.85 × 256,672.85
  4. Step 4: Simplify right side
    437,840.26x = 155,083,237,506.17
  5. Step 5: Solve for x
    x = 155,083,237,506.17/437,840.26
  6. Step 6: Final answer
    x = 354,200.50

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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.