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Finding the Fourth Proportional to 568,453,073.58, 784,421,459.55 and 320,958,856.62

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Solution

The fourth proportional to 568,453,073.58, 784,421,459.55 and 320,958,856.62 is: 442,898,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,453,073.58 : 784,421,459.55 = 320,958,856.62 : x
  2. Step 2: Convert to fraction form
    568,453,073.58/784,421,459.55 = 320,958,856.62/x
  3. Step 3: Cross multiply
    568,453,073.58x = 784,421,459.55 × 320,958,856.62
  4. Step 4: Simplify right side
    568,453,073.58x = 251,767,014,765,359,584
  5. Step 5: Solve for x
    x = 251,767,014,765,359,584/568,453,073.58
  6. Step 6: Final answer
    x = 442,898,502.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.