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Finding the Fourth Proportional to 709,895.98, 980,692.82 and 614,236.60

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Solution

The fourth proportional to 709,895.98, 980,692.82 and 614,236.60 is: 848,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,895.98 : 980,692.82 = 614,236.60 : x
  2. Step 2: Convert to fraction form
    709,895.98/980,692.82 = 614,236.60/x
  3. Step 3: Cross multiply
    709,895.98x = 980,692.82 × 614,236.60
  4. Step 4: Simplify right side
    709,895.98x = 602,377,423,401.21
  5. Step 5: Solve for x
    x = 602,377,423,401.21/709,895.98
  6. Step 6: Final answer
    x = 848,543.22

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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.