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Finding the Fourth Proportional to 568,341.29, 784,307.21 and 313,692.48

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Solution

The fourth proportional to 568,341.29, 784,307.21 and 313,692.48 is: 432,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,341.29 : 784,307.21 = 313,692.48 : x
  2. Step 2: Convert to fraction form
    568,341.29/784,307.21 = 313,692.48/x
  3. Step 3: Cross multiply
    568,341.29x = 784,307.21 × 313,692.48
  4. Step 4: Simplify right side
    568,341.29x = 246,031,272,218.32
  5. Step 5: Solve for x
    x = 246,031,272,218.32/568,341.29
  6. Step 6: Final answer
    x = 432,893.54

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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.