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Finding the Fourth Proportional to 453,194.78, 625,395.56 and 249,245.50

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Solution

The fourth proportional to 453,194.78, 625,395.56 and 249,245.50 is: 343,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,194.78 : 625,395.56 = 249,245.50 : x
  2. Step 2: Convert to fraction form
    453,194.78/625,395.56 = 249,245.50/x
  3. Step 3: Cross multiply
    453,194.78x = 625,395.56 × 249,245.50
  4. Step 4: Simplify right side
    453,194.78x = 155,877,029,049.98
  5. Step 5: Solve for x
    x = 155,877,029,049.98/453,194.78
  6. Step 6: Final answer
    x = 343,951.51

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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.