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Finding the Fourth Proportional to 318,926,430.30, 446,799,333.30 and 318,926,430.30

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Solution

The fourth proportional to 318,926,430.30, 446,799,333.30 and 318,926,430.30 is: 446,799,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,926,430.30 : 446,799,333.30 = 318,926,430.30 : x
  2. Step 2: Convert to fraction form
    318,926,430.30/446,799,333.30 = 318,926,430.30/x
  3. Step 3: Cross multiply
    318,926,430.30x = 446,799,333.30 × 318,926,430.30
  4. Step 4: Simplify right side
    318,926,430.30x = 142,496,116,429,788,928
  5. Step 5: Solve for x
    x = 142,496,116,429,788,928/318,926,430.30
  6. Step 6: Final answer
    x = 446,799,333.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.