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Finding the Fourth Proportional to 453,993.59, 626,503.43 and 250,063.58

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Solution

The fourth proportional to 453,993.59, 626,503.43 and 250,063.58 is: 345,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,993.59 : 626,503.43 = 250,063.58 : x
  2. Step 2: Convert to fraction form
    453,993.59/626,503.43 = 250,063.58/x
  3. Step 3: Cross multiply
    453,993.59x = 626,503.43 × 250,063.58
  4. Step 4: Simplify right side
    453,993.59x = 156,665,692,779.50
  5. Step 5: Solve for x
    x = 156,665,692,779.50/453,993.59
  6. Step 6: Final answer
    x = 345,083.49

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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.