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Finding the Fourth Proportional to 441,938, 609,854.77 and 258,193.60

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Solution

The fourth proportional to 441,938, 609,854.77 and 258,193.60 is: 356,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,938 : 609,854.77 = 258,193.60 : x
  2. Step 2: Convert to fraction form
    441,938/609,854.77 = 258,193.60/x
  3. Step 3: Cross multiply
    441,938x = 609,854.77 × 258,193.60
  4. Step 4: Simplify right side
    441,938x = 157,460,598,543.47
  5. Step 5: Solve for x
    x = 157,460,598,543.47/441,938
  6. Step 6: Final answer
    x = 356,295.68

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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.