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Finding the Fourth Proportional to 568,424.00, 784,397.55 and 323,385.68

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Solution

The fourth proportional to 568,424.00, 784,397.55 and 323,385.68 is: 446,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,424.00 : 784,397.55 = 323,385.68 : x
  2. Step 2: Convert to fraction form
    568,424.00/784,397.55 = 323,385.68/x
  3. Step 3: Cross multiply
    568,424.00x = 784,397.55 × 323,385.68
  4. Step 4: Simplify right side
    568,424.00x = 253,662,938,270.77
  5. Step 5: Solve for x
    x = 253,662,938,270.77/568,424.00
  6. Step 6: Final answer
    x = 446,256.56

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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.