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Finding the Fourth Proportional to 560,692.80, 773,756.10 and 306,044.01

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Solution

The fourth proportional to 560,692.80, 773,756.10 and 306,044.01 is: 422,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,692.80 : 773,756.10 = 306,044.01 : x
  2. Step 2: Convert to fraction form
    560,692.80/773,756.10 = 306,044.01/x
  3. Step 3: Cross multiply
    560,692.80x = 773,756.10 × 306,044.01
  4. Step 4: Simplify right side
    560,692.80x = 236,803,419,605.96
  5. Step 5: Solve for x
    x = 236,803,419,605.96/560,692.80
  6. Step 6: Final answer
    x = 422,340.75

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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.