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Finding the Fourth Proportional to 616,445.87, 850,692.38 and 344,513.48

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Solution

The fourth proportional to 616,445.87, 850,692.38 and 344,513.48 is: 475,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,445.87 : 850,692.38 = 344,513.48 : x
  2. Step 2: Convert to fraction form
    616,445.87/850,692.38 = 344,513.48/x
  3. Step 3: Cross multiply
    616,445.87x = 850,692.38 × 344,513.48
  4. Step 4: Simplify right side
    616,445.87x = 293,074,986,267.25
  5. Step 5: Solve for x
    x = 293,074,986,267.25/616,445.87
  6. Step 6: Final answer
    x = 475,426.96

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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.