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Finding the Fourth Proportional to 607,531.30, 911,296.95 and 253,237.30

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Solution

The fourth proportional to 607,531.30, 911,296.95 and 253,237.30 is: 379,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,531.30 : 911,296.95 = 253,237.30 : x
  2. Step 2: Convert to fraction form
    607,531.30/911,296.95 = 253,237.30/x
  3. Step 3: Cross multiply
    607,531.30x = 911,296.95 × 253,237.30
  4. Step 4: Simplify right side
    607,531.30x = 230,774,379,116.24
  5. Step 5: Solve for x
    x = 230,774,379,116.24/607,531.30
  6. Step 6: Final answer
    x = 379,855.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.