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Finding the Fourth Proportional to 653,155.47, 901,353.89 and 366,676.09

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Solution

The fourth proportional to 653,155.47, 901,353.89 and 366,676.09 is: 506,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,155.47 : 901,353.89 = 366,676.09 : x
  2. Step 2: Convert to fraction form
    653,155.47/901,353.89 = 366,676.09/x
  3. Step 3: Cross multiply
    653,155.47x = 901,353.89 × 366,676.09
  4. Step 4: Simplify right side
    653,155.47x = 330,504,918,754.80
  5. Step 5: Solve for x
    x = 330,504,918,754.80/653,155.47
  6. Step 6: Final answer
    x = 506,012.63

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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.